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252986107 = 1122998737
BaseRepresentation
bin11110001010001…
…00001011111011
3122122001000200211
433011010023323
51004231023412
641034211551
76161226553
oct1705041373
9578030624
10252986107
1111a893230
1270883bb7
134054992a
1425856163
1517323ca7
hexf1442fb

252986107 has 4 divisors (see below), whose sum is σ = 275984856. Its totient is φ = 229987360.

The previous prime is 252986087. The next prime is 252986117. The reversal of 252986107 is 701689252.

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 252986107 - 227 = 118768379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252986107.

It is not an unprimeable number, because it can be changed into a prime (252986117) 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, 11499358 + ... + 11499379.

It is an arithmetic number, because the mean of its divisors is an integer number (68996214).

Almost surely, 2252986107 is an apocalyptic number.

252986107 is a deficient number, since it is larger than the sum of its proper divisors (22998749).

252986107 is a wasteful number, since it uses less digits than its factorization.

252986107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22998748.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 252986107 is about 15905.5369918780. The cubic root of 252986107 is about 632.4587771725.

The spelling of 252986107 in words is "two hundred fifty-two million, nine hundred eighty-six thousand, one hundred seven".

Divisors: 1 11 22998737 252986107