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252909107 = 1122991737
BaseRepresentation
bin11110001001100…
…01011000110011
3122121220010001222
433010301120303
51004221042412
641032415255
76160456223
oct1704613063
9577803058
10252909107
1111a8403a0
127084752b
1340520879
1425836083
151730b072
hexf131633

252909107 has 4 divisors (see below), whose sum is σ = 275900856. Its totient is φ = 229917360.

The previous prime is 252909089. The next prime is 252909109. The reversal of 252909107 is 701909252.

252909107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 252909107 - 210 = 252908083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252909109) 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, 11495858 + ... + 11495879.

It is an arithmetic number, because the mean of its divisors is an integer number (68975214).

Almost surely, 2252909107 is an apocalyptic number.

252909107 is a deficient number, since it is larger than the sum of its proper divisors (22991749).

252909107 is a wasteful number, since it uses less digits than its factorization.

252909107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22991748.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 252909107 is about 15903.1162669459. The cubic root of 252909107 is about 632.3946046532.

The spelling of 252909107 in words is "two hundred fifty-two million, nine hundred nine thousand, one hundred seven".

Divisors: 1 11 22991737 252909107