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130737408 = 283170231
BaseRepresentation
bin1111100101011…
…10010100000000
3100010000011000020
413302232110000
5231432044113
620550053440
73145151424
oct762562400
9303004006
10130737408
1167885a4a
123794a280
1321116319
1413512b84
15b727023
hex7cae500

130737408 has 36 divisors (see below), whose sum is σ = 347954208. Its totient is φ = 43578880.

The previous prime is 130737403. The next prime is 130737413. The reversal of 130737408 is 804737031.

It is an interprime number because it is at equal distance from previous prime (130737403) and next prime (130737413).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130737403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84348 + ... + 85883.

Almost surely, 2130737408 is an apocalyptic number.

It is an amenable number.

130737408 is an abundant number, since it is smaller than the sum of its proper divisors (217216800).

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

130737408 is an equidigital number, since it uses as much as digits as its factorization.

130737408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170250 (or 170236 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 130737408 is about 11434.0460030560. The cubic root of 130737408 is about 507.5357322346.

The spelling of 130737408 in words is "one hundred thirty million, seven hundred thirty-seven thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 170231 340462 510693 680924 1021386 1361848 2042772 2723696 4085544 5447392 8171088 10894784 16342176 21789568 32684352 43579136 65368704 130737408