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252688627 = 571442537
BaseRepresentation
bin11110000111110…
…11100011110011
3122121110220122001
433003323203303
51004142014002
641023554431
76155550352
oct1703734363
9577426561
10252688627
1111a6aa784
127075ba17
13404743c9
14257b9999
15172b5a87
hexf0fb8f3

252688627 has 4 divisors (see below), whose sum is σ = 253131736. Its totient is φ = 252245520.

The previous prime is 252688613. The next prime is 252688633. The reversal of 252688627 is 726886252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252688627 - 223 = 244300019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252688427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220698 + ... + 221839.

It is an arithmetic number, because the mean of its divisors is an integer number (63282934).

Almost surely, 2252688627 is an apocalyptic number.

252688627 is a deficient number, since it is larger than the sum of its proper divisors (443109).

252688627 is an equidigital number, since it uses as much as digits as its factorization.

252688627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443108.

The product of its digits is 645120, while the sum is 46.

The square root of 252688627 is about 15896.1827807811. The cubic root of 252688627 is about 632.2107824874.

The spelling of 252688627 in words is "two hundred fifty-two million, six hundred eighty-eight thousand, six hundred twenty-seven".

Divisors: 1 571 442537 252688627