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629428688 = 2478816379
BaseRepresentation
bin100101100001000…
…101000111010000
31121212101021211122
4211201011013100
52242113204223
6142242501412
721412025030
oct4541050720
91555337748
10629428688
112a33290a9
12156964868
13a0530815
145d8478c0
153a3d25c8
hex258451d0

629428688 has 40 divisors (see below), whose sum is σ = 1395535680. Its totient is φ = 269406720.

The previous prime is 629428687. The next prime is 629428691. The reversal of 629428688 is 886824926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629428687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95483 + ... + 101861.

It is an arithmetic number, because the mean of its divisors is an integer number (34888392).

Almost surely, 2629428688 is an apocalyptic number.

It is an amenable number.

629428688 is an abundant number, since it is smaller than the sum of its proper divisors (766106992).

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

629428688 is a wasteful number, since it uses less digits than its factorization.

629428688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275 (or 7269 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 53.

The square root of 629428688 is about 25088.4174072419. The cubic root of 629428688 is about 857.0026754667.

The spelling of 629428688 in words is "six hundred twenty-nine million, four hundred twenty-eight thousand, six hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 881 1762 3524 6167 6379 7048 12334 12758 14096 24668 25516 44653 49336 51032 89306 98672 102064 178612 357224 714448 5619899 11239798 22479596 39339293 44959192 78678586 89918384 157357172 314714344 629428688