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1240503225 = 352131498539
BaseRepresentation
bin100100111110000…
…1001001110111001
310012110020002111220
41021330021032321
510020032100400
6323032142253
742512050323
oct11174111671
93173202456
101240503225
11587260485
122a7537989
1316a0060a0
14baa74613
1573d8b7a0
hex49f093b9

1240503225 has 48 divisors (see below), whose sum is σ = 2223816000. Its totient is φ = 606539520.

The previous prime is 1240503211. The next prime is 1240503233. The reversal of 1240503225 is 5223050421.

1240503225 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1240503225 - 27 = 1240503097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1240503195 and 1240503204.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141006 + ... + 149544.

It is an arithmetic number, because the mean of its divisors is an integer number (46329500).

Almost surely, 21240503225 is an apocalyptic number.

1240503225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1240503225 is a deficient number, since it is larger than the sum of its proper divisors (983312775).

1240503225 is a wasteful number, since it uses less digits than its factorization.

1240503225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8714 (or 8709 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1240503225 is about 35220.7783133763. The cubic root of 1240503225 is about 1074.4823828585.

Adding to 1240503225 its reverse (5223050421), we get a palindrome (6463553646).

The spelling of 1240503225 in words is "one billion, two hundred forty million, five hundred three thousand, two hundred twenty-five".

Divisors: 1 3 5 13 15 25 39 65 75 149 195 325 447 745 975 1937 2235 3725 5811 8539 9685 11175 25617 29055 42695 48425 111007 128085 145275 213475 333021 555035 640425 1272311 1665105 2775175 3816933 6361555 8325525 16540043 19084665 31807775 49620129 82700215 95423325 248100645 413501075 1240503225