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497131902 = 23244961511
BaseRepresentation
bin11101101000011…
…010000101111110
31021122102220202200
4131220122011332
52004231210102
6121155132330
715214360101
oct3550320576
91248386680
10497131902
11235688613
1211a5a40a6
137bcbc7b7
144a04a738
152d99d51c
hex1da1a17e

497131902 has 24 divisors (see below), whose sum is σ = 1079535600. Its totient is φ = 165338880.

The previous prime is 497131871. The next prime is 497131919. The reversal of 497131902 is 209131794.

It is a super-2 number, since 2×4971319022 = 494280255972275208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22674 + ... + 38837.

It is an arithmetic number, because the mean of its divisors is an integer number (44980650).

Almost surely, 2497131902 is an apocalyptic number.

497131902 is an abundant number, since it is smaller than the sum of its proper divisors (582403698).

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

497131902 is a wasteful number, since it uses less digits than its factorization.

497131902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61968 (or 61965 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 497131902 is about 22296.4549200091. The cubic root of 497131902 is about 792.1800076763.

It can be divided in two parts, 49713 and 1902, that added together give a palindrome (51615).

The spelling of 497131902 in words is "four hundred ninety-seven million, one hundred thirty-one thousand, nine hundred two".

Divisors: 1 2 3 6 9 18 449 898 1347 2694 4041 8082 61511 123022 184533 369066 553599 1107198 27618439 55236878 82855317 165710634 248565951 497131902