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252520113 = 3831014137
BaseRepresentation
bin11110000110100…
…10011010110001
3122121011100110210
433003102122301
51004121120423
641020214333
76154246146
oct1703223261
9577140423
10252520113
1111a5a510a
127069a3a9
13404157b1
14257743cd
1517280b93
hexf0d26b1

252520113 has 8 divisors (see below), whose sum is σ = 340750368. Its totient is φ = 166318304.

The previous prime is 252520111. The next prime is 252520117. The reversal of 252520113 is 311025252.

252520113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252520113 - 21 = 252520111 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252520113.

It is not an unprimeable number, because it can be changed into a prime (252520111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506820 + ... + 507317.

It is an arithmetic number, because the mean of its divisors is an integer number (42593796).

Almost surely, 2252520113 is an apocalyptic number.

It is an amenable number.

252520113 is a deficient number, since it is larger than the sum of its proper divisors (88230255).

252520113 is a wasteful number, since it uses less digits than its factorization.

252520113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014223.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 252520113 is about 15890.8814418836. The cubic root of 252520113 is about 632.0702141520.

Adding to 252520113 its reverse (311025252), we get a palindrome (563545365).

The spelling of 252520113 in words is "two hundred fifty-two million, five hundred twenty thousand, one hundred thirteen".

Divisors: 1 3 83 249 1014137 3042411 84173371 252520113