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130704642 = 2327261369
BaseRepresentation
bin1111100101001…
…10010100000010
3100002221111001200
413302212110002
5231430022032
620545242030
73144654045
oct762462402
9302844050
10130704642
1167863372
1237933316
1321104433
1413504c5c
15b71c47c
hex7ca6502

130704642 has 12 divisors (see below), whose sum is σ = 283193430. Its totient is φ = 43568208.

The previous prime is 130704617. The next prime is 130704659. The reversal of 130704642 is 246407031.

130704642 is a `hidden beast` number, since 13 + 0 + 7 + 0 + 4 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111703761 + 19000881 = 10569^2 + 4359^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3630667 + ... + 3630702.

Almost surely, 2130704642 is an apocalyptic number.

130704642 is an abundant number, since it is smaller than the sum of its proper divisors (152488788).

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

130704642 is a wasteful number, since it uses less digits than its factorization.

130704642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7261377 (or 7261374 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 130704642 is about 11432.6130871293. The cubic root of 130704642 is about 507.4933283923.

The spelling of 130704642 in words is "one hundred thirty million, seven hundred four thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 7261369 14522738 21784107 43568214 65352321 130704642