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634107272 = 232923072
BaseRepresentation
bin100101110010111…
…011010110001000
31122012011222122112
4211302323112020
52244312413042
6142531041452
721466552151
oct4562732610
91565158575
10634107272
112a5a341a7
12158440288
13a14ab206
1460304928
153aa08982
hex25cbb588

634107272 has 36 divisors (see below), whose sum is σ = 1235387205. Its totient is φ = 305123616.

The previous prime is 634107269. The next prime is 634107281. The reversal of 634107272 is 272701436.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

634107272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 633730276 + 376996 = 25174^2 + 614^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=17806.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2065343 + ... + 2065649.

Almost surely, 2634107272 is an apocalyptic number.

It is an amenable number.

634107272 is a deficient number, since it is larger than the sum of its proper divisors (601279933).

634107272 is an equidigital number, since it uses as much as digits as its factorization.

634107272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 634107272 is about 25181.4866916153. The cubic root of 634107272 is about 859.1208213699.

Multiplying 634107272 by its sum of digits (32), we get a square (20291432704 = 1424482).

Multiplying 634107272 by its product of nonzero digits (14112), we get a square (8948521822464 = 29914082).

The spelling of 634107272 in words is "six hundred thirty-four million, one hundred seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 29 58 116 232 307 614 841 1228 1682 2456 3364 6728 8903 17806 35612 71224 94249 188498 258187 376996 516374 753992 1032748 2065496 2733221 5466442 10932884 21865768 79263409 158526818 317053636 634107272