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253052634 = 2353795763
BaseRepresentation
bin11110001010101…
…00011011011010
3122122011101221210
433011110123122
51004240141014
641035443550
76161624532
oct1705243332
9578141853
10253052634
1111a92920a
12708b65b6
1340570cb3
14258724c2
1517338859
hexf1546da

253052634 has 16 divisors (see below), whose sum is σ = 515655072. Its totient is φ = 82759248.

The previous prime is 253052629. The next prime is 253052677. The reversal of 253052634 is 436250352.

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, 397564 + ... + 398199.

It is an arithmetic number, because the mean of its divisors is an integer number (32228442).

Almost surely, 2253052634 is an apocalyptic number.

253052634 is an abundant number, since it is smaller than the sum of its proper divisors (262602438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253052634 is a wasteful number, since it uses less digits than its factorization.

253052634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795821.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 253052634 is about 15907.6281701579. The cubic root of 253052634 is about 632.5142109114.

The spelling of 253052634 in words is "two hundred fifty-three million, fifty-two thousand, six hundred thirty-four".

Divisors: 1 2 3 6 53 106 159 318 795763 1591526 2387289 4774578 42175439 84350878 126526317 253052634