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631926072 = 233231283121
BaseRepresentation
bin100101101010100…
…110110100111000
31122001002011121100
4211222212310320
52243233113242
6142412211400
721442166031
oct4552466470
91561064540
10631926072
112a4784458
12157769b60
13a0bc646b
145dcd7a88
153a72754c
hex25aa6d38

631926072 has 48 divisors (see below), whose sum is σ = 1766681280. Its totient is φ = 203846400.

The previous prime is 631926047. The next prime is 631926089. The reversal of 631926072 is 270629136.

631926072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 139329 + ... + 143792.

It is an arithmetic number, because the mean of its divisors is an integer number (36805860).

Almost surely, 2631926072 is an apocalyptic number.

631926072 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

631926072 is an abundant number, since it is smaller than the sum of its proper divisors (1134755208).

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

631926072 is a wasteful number, since it uses less digits than its factorization.

631926072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283164 (or 283157 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 631926072 is about 25138.1397879795. The cubic root of 631926072 is about 858.1346227870.

The spelling of 631926072 in words is "six hundred thirty-one million, nine hundred twenty-six thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 279 372 558 744 1116 2232 283121 566242 849363 1132484 1698726 2264968 2548089 3397452 5096178 6794904 8776751 10192356 17553502 20384712 26330253 35107004 52660506 70214008 78990759 105321012 157981518 210642024 315963036 631926072