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252578495 = 51319204517
BaseRepresentation
bin11110000111000…
…00101010111111
3122121021022120002
433003200222333
51004130002440
641021344515
76154611311
oct1703405277
9577238502
10252578495
1111a634a64
127070813b
1340436240
142578b7b1
1517293115
hexf0e0abf

252578495 has 16 divisors (see below), whose sum is σ = 343590240. Its totient is φ = 176701824.

The previous prime is 252578449. The next prime is 252578509. The reversal of 252578495 is 594875252.

It is a happy number.

It is not a de Polignac number, because 252578495 - 28 = 252578239 is a prime.

It is a super-2 number, since 2×2525784952 = 127591792272930050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101024 + ... + 103493.

It is an arithmetic number, because the mean of its divisors is an integer number (21474390).

Almost surely, 2252578495 is an apocalyptic number.

252578495 is a deficient number, since it is larger than the sum of its proper divisors (91011745).

252578495 is a wasteful number, since it uses less digits than its factorization.

252578495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204554.

The product of its digits is 1008000, while the sum is 47.

The square root of 252578495 is about 15892.7183011592. The cubic root of 252578495 is about 632.1189214006.

The spelling of 252578495 in words is "two hundred fifty-two million, five hundred seventy-eight thousand, four hundred ninety-five".

Divisors: 1 5 13 19 65 95 247 1235 204517 1022585 2658721 3885823 13293605 19429115 50515699 252578495