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130438376 = 23103311509
BaseRepresentation
bin1111100011001…
…01010011101000
3100002102221210222
413301211103220
5231343012001
620535425212
73142464545
oct761452350
9302387728
10130438376
11676a1312
1237825208
1321040193
1413475bcc
15b6b861b
hex7c654e8

130438376 has 32 divisors (see below), whose sum is σ = 248227200. Its totient is φ = 64251840.

The previous prime is 130438349. The next prime is 130438381. The reversal of 130438376 is 673834031.

It is a happy number.

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, 256010 + ... + 256518.

It is an arithmetic number, because the mean of its divisors is an integer number (7757100).

Almost surely, 2130438376 is an apocalyptic number.

It is an amenable number.

130438376 is a deficient number, since it is larger than the sum of its proper divisors (117788824).

130438376 is a wasteful number, since it uses less digits than its factorization.

130438376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 130438376 is about 11420.9621310991. The cubic root of 130438376 is about 507.1484794268.

The spelling of 130438376 in words is "one hundred thirty million, four hundred thirty-eight thousand, three hundred seventy-six".

Divisors: 1 2 4 8 103 206 311 412 509 622 824 1018 1244 2036 2488 4072 32033 52427 64066 104854 128132 158299 209708 256264 316598 419416 633196 1266392 16304797 32609594 65219188 130438376