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2001302225 = 5213383439
BaseRepresentation
bin111011101001001…
…0111001011010001
312011110210200112122
41313102113023101
513044313132400
6530330504025
7100410534236
oct16722271321
95143720478
102001302225
11937756a8a
1247a295015
1325b812000
1414db1778d
15baa6d685
hex774972d1

2001302225 has 48 divisors (see below), whose sum is σ = 2726908800. Its totient is φ = 1456752960.

The previous prime is 2001302189. The next prime is 2001302249. The reversal of 2001302225 is 5222031002.

It is not a de Polignac number, because 2001302225 - 220 = 2000253649 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4558556 + ... + 4558994.

It is an arithmetic number, because the mean of its divisors is an integer number (56810600).

Almost surely, 22001302225 is an apocalyptic number.

2001302225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2001302225 is a deficient number, since it is larger than the sum of its proper divisors (725606575).

2001302225 is an equidigital number, since it uses as much as digits as its factorization.

2001302225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2001302225 is about 44735.9164989385. The cubic root of 2001302225 is about 1260.1944406823.

Adding to 2001302225 its reverse (5222031002), we get a palindrome (7223333227).

The spelling of 2001302225 in words is "two billion, one million, three hundred two thousand, two hundred twenty-five".

Divisors: 1 5 13 25 65 83 169 325 415 439 845 1079 2075 2195 2197 4225 5395 5707 10975 10985 14027 26975 28535 36437 54925 70135 74191 142675 182185 182351 350675 370955 473681 910925 911755 964483 1854775 2368405 4558775 4822415 6157853 11842025 24112075 30789265 80052089 153946325 400260445 2001302225