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130614640 = 24513125591
BaseRepresentation
bin1111100100100…
…00010101110000
3100002202220121021
413302100111300
5231414132030
620543305224
73144130462
oct762202560
9302686537
10130614640
1167801792
12378ab214
13210a2490
14134c0132
15b70097a
hex7c90570

130614640 has 40 divisors (see below), whose sum is σ = 327041568. Its totient is φ = 48226560.

The previous prime is 130614623. The next prime is 130614661. The reversal of 130614640 is 46416031.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent 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, 61756 + ... + 63835.

Almost surely, 2130614640 is an apocalyptic number.

130614640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130614640 is an abundant number, since it is smaller than the sum of its proper divisors (196426928).

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

130614640 is a wasteful number, since it uses less digits than its factorization.

130614640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125617 (or 125611 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 130614640 is about 11428.6762138053. The cubic root of 130614640 is about 507.3768165844.

The spelling of 130614640 in words is "one hundred thirty million, six hundred fourteen thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 125591 251182 502364 627955 1004728 1255910 1632683 2009456 2511820 3265366 5023640 6530732 8163415 10047280 13061464 16326830 26122928 32653660 65307320 130614640