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627938361 = 3269770929
BaseRepresentation
bin100101011011011…
…001010000111001
31121202120120111100
4211123121100321
52241223011421
6142150522013
721363250041
oct4533312071
91552516440
10627938361
112a2500426
12156366309
13a012b37b
145d57a721
153a1dac26
hex256d9439

627938361 has 6 divisors (see below), whose sum is σ = 907022090. Its totient is φ = 418625568.

The previous prime is 627938351. The next prime is 627938369. The reversal of 627938361 is 163839726.

627938361 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 only one way, i.e., 597069225 + 30869136 = 24435^2 + 5556^2 .

It is not a de Polignac number, because 627938361 - 211 = 627936313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (627938369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34885456 + ... + 34885473.

Almost surely, 2627938361 is an apocalyptic number.

It is an amenable number.

627938361 is a deficient number, since it is larger than the sum of its proper divisors (279083729).

627938361 is a wasteful number, since it uses less digits than its factorization.

627938361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69770935 (or 69770932 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 627938361 is about 25058.6983101677. The cubic root of 627938361 is about 856.3257528234.

The spelling of 627938361 in words is "six hundred twenty-seven million, nine hundred thirty-eight thousand, three hundred sixty-one".

Divisors: 1 3 9 69770929 209312787 627938361