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130025252 = 22737125507
BaseRepresentation
bin1111100000000…
…00011100100100
3100001122222010002
413300000130210
5231241302002
620522520432
73136124240
oct760003444
9301588102
10130025252
1167439995
1237666118
1320c27126
14133a9420
15b636002
hex7c00724

130025252 has 24 divisors (see below), whose sum is σ = 267081024. Its totient is φ = 54218592.

The previous prime is 130025239. The next prime is 130025317. The reversal of 130025252 is 252520031.

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, 61718 + ... + 63789.

It is an arithmetic number, because the mean of its divisors is an integer number (11128376).

Almost surely, 2130025252 is an apocalyptic number.

It is an amenable number.

130025252 is an abundant number, since it is smaller than the sum of its proper divisors (137055772).

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

130025252 is a wasteful number, since it uses less digits than its factorization.

130025252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125555 (or 125553 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 130025252 is about 11402.8615706760. The cubic root of 130025252 is about 506.6125001728.

Adding to 130025252 its reverse (252520031), we get a palindrome (382545283).

The spelling of 130025252 in words is "one hundred thirty million, twenty-five thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 125507 251014 502028 878549 1757098 3514196 4643759 9287518 18575036 32506313 65012626 130025252