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450251433225 = 325211217972833
BaseRepresentation
bin1101000110101010001…
…00111010010100001001
31121001011210111200011100
412203111010322110021
524334103331330400
6542502002452013
744346436015146
oct6432504722411
91531153450140
10450251433225
11163a50217a00
1273318364009
13335c6502c09
1417b140633cd
15baa33a7100
hex68d513a509

450251433225 has 108 divisors (see below), whose sum is σ = 938572732188. Its totient is φ = 205462118400.

The previous prime is 450251433197. The next prime is 450251433227. The reversal of 450251433225 is 522334152054.

450251433225 is a `hidden beast` number, since 4 + 50 + 251 + 4 + 332 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 2943279504 + 447308153721 = 54252^2 + 668811^2 .

It is not a de Polignac number, because 450251433225 - 214 = 450251416841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450251433225.

It is not an unprimeable number, because it can be changed into a prime (450251433227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 23592 + ... + 949241.

It is an arithmetic number, because the mean of its divisors is an integer number (8690488261).

Almost surely, 2450251433225 is an apocalyptic number.

450251433225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

450251433225 is an abundant number, since it is smaller than the sum of its proper divisors (488321298963).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450251433225 is a wasteful number, since it uses less digits than its factorization.

450251433225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972888 (or 972869 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 450251433225 its reverse (522334152054), we get a palindrome (972585585279).

The spelling of 450251433225 in words is "four hundred fifty billion, two hundred fifty-one million, four hundred thirty-three thousand, two hundred twenty-five".

Divisors: 1 3 5 9 11 15 17 25 33 45 51 55 75 85 99 121 153 165 187 225 255 275 363 425 495 561 605 765 825 935 1089 1275 1683 1815 2057 2475 2805 3025 3825 4675 5445 6171 8415 9075 10285 14025 18513 27225 30855 42075 51425 92565 154275 462825 972833 2918499 4864165 8755497 10701163 14592495 16538161 24320825 32103489 43777485 49614483 53505815 72962475 82690805 96310467 117712793 148843449 160517445 181919771 218887425 248072415 267529075 353138379 413454025 481552335 545759313 588563965 744217245 802587225 909598855 1059415137 1240362075 1637277939 1765691895 2001117481 2407761675 2728796565 2942819825 3721086225 4547994275 5297075685 6003352443 8186389695 8828459475 10005587405 13643982825 18010057329 26485378425 30016762215 40931948475 50027937025 90050286645 150083811075 450251433225