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629400904 = 23117152283
BaseRepresentation
bin100101100000111…
…110010101001000
31121212022212201121
4211200332111020
52242111312104
6142242125024
721411551026
oct4540762510
91555285647
10629400904
112a330a240
12156950774
13a0520c92
145d83b716
153a3c9254
hex2583e548

629400904 has 16 divisors (see below), whose sum is σ = 1287411120. Its totient is φ = 286091280.

The previous prime is 629400901. The next prime is 629400907. The reversal of 629400904 is 409004926.

It is an interprime number because it is at equal distance from previous prime (629400901) and next prime (629400907).

It is a super-2 number, since 2×6294009042 = 792290995912034432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 629400904.

It is not an unprimeable number, because it can be changed into a prime (629400901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3576054 + ... + 3576229.

It is an arithmetic number, because the mean of its divisors is an integer number (80463195).

Almost surely, 2629400904 is an apocalyptic number.

It is an amenable number.

629400904 is an abundant number, since it is smaller than the sum of its proper divisors (658010216).

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

629400904 is a wasteful number, since it uses less digits than its factorization.

629400904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152300 (or 7152296 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 629400904 is about 25087.8636794766. The cubic root of 629400904 is about 856.9900654533.

The spelling of 629400904 in words is "six hundred twenty-nine million, four hundred thousand, nine hundred four".

Divisors: 1 2 4 8 11 22 44 88 7152283 14304566 28609132 57218264 78675113 157350226 314700452 629400904