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130531396 = 2272744887
BaseRepresentation
bin1111100011111…
…00000001000100
3100002121200102011
413301330001010
5231404001041
620541424004
73143333002
oct761740104
9302550364
10130531396
1167755196
123786b004
1321073618
141349ba72
15b6d5e81
hex7c7c044

130531396 has 12 divisors (see below), whose sum is σ = 228749248. Its totient is φ = 65174472.

The previous prime is 130531381. The next prime is 130531403. The reversal of 130531396 is 693135031.

It is a super-3 number, since 3×1305313963 (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19536 + ... + 25351.

Almost surely, 2130531396 is an apocalyptic number.

It is an amenable number.

130531396 is a deficient number, since it is larger than the sum of its proper divisors (98217852).

130531396 is a wasteful number, since it uses less digits than its factorization.

130531396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45618 (or 45616 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 130531396 is about 11425.0337417445. The cubic root of 130531396 is about 507.2690056692.

The spelling of 130531396 in words is "one hundred thirty million, five hundred thirty-one thousand, three hundred ninety-six".

Divisors: 1 2 4 727 1454 2908 44887 89774 179548 32632849 65265698 130531396