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629129072 = 2411131312099
BaseRepresentation
bin100101011111111…
…011111101110000
31121211211001211202
4211133323331300
52242024112242
6142232230332
721406336355
oct4537737560
91554731752
10629129072
112a3143a90
1215683b3a8
13a0457330
145d7aa62c
153a373932
hex257fbf70

629129072 has 80 divisors (see below), whose sum is σ = 1443657600. Its totient is φ = 261830400.

The previous prime is 629129057. The next prime is 629129113. The reversal of 629129072 is 270921926.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298679 + ... + 300777.

It is an arithmetic number, because the mean of its divisors is an integer number (18045720).

Almost surely, 2629129072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629129072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721828800).

629129072 is an abundant number, since it is smaller than the sum of its proper divisors (814528528).

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

629129072 is a wasteful number, since it uses less digits than its factorization.

629129072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 629129072 is about 25082.4454948077. The cubic root of 629129072 is about 856.8666725213.

The spelling of 629129072 in words is "six hundred twenty-nine million, one hundred twenty-nine thousand, seventy-two".

Divisors: 1 2 4 8 11 13 16 22 26 44 52 88 104 131 143 176 208 262 286 524 572 1048 1144 1441 1703 2096 2099 2288 2882 3406 4198 5764 6812 8396 11528 13624 16792 18733 23056 23089 27248 27287 33584 37466 46178 54574 74932 92356 109148 149864 184712 218296 274969 299728 300157 369424 436592 549938 600314 1099876 1200628 2199752 2401256 3024659 3574597 4399504 4802512 6049318 7149194 12098636 14298388 24197272 28596776 39320567 48394544 57193552 78641134 157282268 314564536 629129072