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502969640 = 23512574241
BaseRepresentation
bin11101111110101…
…011010100101000
31022001102111122012
4131332223110220
52012230012030
6121524215052
715315112535
oct3576532450
91261374565
10502969640
11238a05598
1212053a488
1380284994
144ab29d8c
152e253095
hex1dfab528

502969640 has 16 divisors (see below), whose sum is σ = 1131681780. Its totient is φ = 201187840.

The previous prime is 502969573. The next prime is 502969661. The reversal of 502969640 is 46969205.

It can be written as a sum of positive squares in 2 ways, for example, as 496487524 + 6482116 = 22282^2 + 2546^2 .

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 3 ways as a sum of consecutive naturals, for example, 6287081 + ... + 6287160.

Almost surely, 2502969640 is an apocalyptic number.

It is an amenable number.

502969640 is an abundant number, since it is smaller than the sum of its proper divisors (628712140).

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

502969640 is a wasteful number, since it uses less digits than its factorization.

502969640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12574252 (or 12574248 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 502969640 is about 22426.9846390459. The cubic root of 502969640 is about 795.2687618923.

The spelling of 502969640 in words is "five hundred two million, nine hundred sixty-nine thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 12574241 25148482 50296964 62871205 100593928 125742410 251484820 502969640