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253030275 = 32524326153
BaseRepresentation
bin11110001010011…
…10111110000011
3122122010021021200
433011032332003
51004233432100
641035152243
76161502411
oct1705167603
9578107250
10253030275
1111a913433
12708a5683
1340563a74
14258682b1
1517331e00
hexf14ef83

253030275 has 36 divisors (see below), whose sum is σ = 463762728. Its totient is φ = 131806080.

The previous prime is 253030273. The next prime is 253030289. The reversal of 253030275 is 572030352.

It is not a de Polignac number, because 253030275 - 21 = 253030273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253030273) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3402 + ... + 22751.

It is an arithmetic number, because the mean of its divisors is an integer number (12882298).

Almost surely, 2253030275 is an apocalyptic number.

253030275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

253030275 is a deficient number, since it is larger than the sum of its proper divisors (210732453).

253030275 is a wasteful number, since it uses less digits than its factorization.

253030275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26212 (or 26204 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 253030275 is about 15906.9253785890. The cubic root of 253030275 is about 632.4955813197.

The spelling of 253030275 in words is "two hundred fifty-three million, thirty thousand, two hundred seventy-five".

Divisors: 1 3 5 9 15 25 43 45 75 129 215 225 387 645 1075 1935 3225 9675 26153 78459 130765 235377 392295 653825 1124579 1176885 1961475 3373737 5622895 5884425 10121211 16868685 28114475 50606055 84343425 253030275