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130888254 = 23716718661
BaseRepresentation
bin1111100110100…
…11001000111110
3100010021210221010
413303103020332
5232001411004
620553220050
73146350260
oct763231076
9303253833
10130888254
1167979312
1237a01626
1321169b93
1413551b30
15b756a89
hex7cd323e

130888254 has 32 divisors (see below), whose sum is σ = 300980736. Its totient is φ = 37170720.

The previous prime is 130888243. The next prime is 130888271. The reversal of 130888254 is 452888031.

It is a congruent number.

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, 2317 + ... + 16344.

It is an arithmetic number, because the mean of its divisors is an integer number (9405648).

Almost surely, 2130888254 is an apocalyptic number.

130888254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

130888254 is an abundant number, since it is smaller than the sum of its proper divisors (170092482).

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

130888254 is a wasteful number, since it uses less digits than its factorization.

130888254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18840.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 130888254 is about 11440.6404541005. The cubic root of 130888254 is about 507.7308569761.

The spelling of 130888254 in words is "one hundred thirty million, eight hundred eighty-eight thousand, two hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 167 334 501 1002 1169 2338 3507 7014 18661 37322 55983 111966 130627 261254 391881 783762 3116387 6232774 9349161 18698322 21814709 43629418 65444127 130888254