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252592631 = 1913294349
BaseRepresentation
bin11110000111001…
…00000111110111
3122121022000221122
433003210013313
51004130431011
641021534155
76155000444
oct1703440767
9577260848
10252592631
1111a644645
127071435b
134043c7c5
14257929cb
15172973db
hexf0e41f7

252592631 has 4 divisors (see below), whose sum is σ = 265887000. Its totient is φ = 239298264.

The previous prime is 252592597. The next prime is 252592633. The reversal of 252592631 is 136295252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252592631 is a prime.

It is a super-2 number, since 2×2525926312 = 127606074471004322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252592591 and 252592600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252592633) 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, 6647156 + ... + 6647193.

It is an arithmetic number, because the mean of its divisors is an integer number (66471750).

Almost surely, 2252592631 is an apocalyptic number.

252592631 is a deficient number, since it is larger than the sum of its proper divisors (13294369).

252592631 is a wasteful number, since it uses less digits than its factorization.

252592631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13294368.

The product of its digits is 32400, while the sum is 35.

The square root of 252592631 is about 15893.1630269119. The cubic root of 252592631 is about 632.1307137299.

The spelling of 252592631 in words is "two hundred fifty-two million, five hundred ninety-two thousand, six hundred thirty-one".

Divisors: 1 19 13294349 252592631