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253853130 = 23570112071
BaseRepresentation
bin11110010000101…
…11110111001010
3122200200002000210
433020113313022
51004441300010
641104541550
76201500406
oct1710276712
9580602023
10253853130
11120325683
12710218b6
134079146b
1425a00106
1517445b20
hexf217dca

253853130 has 32 divisors (see below), whose sum is σ = 610167168. Its totient is φ = 67592000.

The previous prime is 253853111. The next prime is 253853161. The reversal of 253853130 is 31358352.

It is a super-2 number, since 2×2538531302 = 128882823221593800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 14995 + ... + 27065.

It is an arithmetic number, because the mean of its divisors is an integer number (19067724).

Almost surely, 2253853130 is an apocalyptic number.

253853130 is an abundant number, since it is smaller than the sum of its proper divisors (356314038).

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

253853130 is a wasteful number, since it uses less digits than its factorization.

253853130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12782.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 253853130 is about 15932.7690625327. The cubic root of 253853130 is about 633.1804651056.

The spelling of 253853130 in words is "two hundred fifty-three million, eight hundred fifty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 701 1402 2103 3505 4206 7010 10515 12071 21030 24142 36213 60355 72426 120710 181065 362130 8461771 16923542 25385313 42308855 50770626 84617710 126926565 253853130