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252513542 = 21092834093
BaseRepresentation
bin11110000110100…
…00110100000110
3122121011000110102
433003100310012
51004120413132
641020124102
76154221041
oct1703206406
9577130412
10252513542
1111a5a0186
1270696632
13404127c8
1425771c58
151727dc62
hexf0d0d06

252513542 has 16 divisors (see below), whose sum is σ = 383689680. Its totient is φ = 124625952.

The previous prime is 252513539. The next prime is 252513577. The reversal of 252513542 is 245315252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59648 + ... + 63740.

It is an arithmetic number, because the mean of its divisors is an integer number (23980605).

Almost surely, 2252513542 is an apocalyptic number.

252513542 is a deficient number, since it is larger than the sum of its proper divisors (131176138).

252513542 is a wasteful number, since it uses less digits than its factorization.

252513542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487.

The product of its digits is 12000, while the sum is 29.

The square root of 252513542 is about 15890.6746867463. The cubic root of 252513542 is about 632.0647315928.

Adding to 252513542 its reverse (245315252), we get a palindrome (497828794).

The spelling of 252513542 in words is "two hundred fifty-two million, five hundred thirteen thousand, five hundred forty-two".

Divisors: 1 2 109 218 283 566 4093 8186 30847 61694 446137 892274 1158319 2316638 126256771 252513542