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130655444 = 22143922699
BaseRepresentation
bin1111100100110…
…10010011010100
3100002211222120112
413302122103110
5231421433234
620544222152
73144360443
oct762322324
9302758515
10130655444
116782a407
123790a958
13210b7c1a
14134d0d5a
15b70cace
hex7c9a4d4

130655444 has 12 divisors (see below), whose sum is σ = 228816000. Its totient is φ = 65279448.

The previous prime is 130655431. The next prime is 130655461. The reversal of 130655444 is 444556031.

It is a self number, because there is not a number n which added to its sum of digits gives 130655444.

It is a congruent number.

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, 5594 + ... + 17105.

It is an arithmetic number, because the mean of its divisors is an integer number (19068000).

Almost surely, 2130655444 is an apocalyptic number.

It is an amenable number.

130655444 is a deficient number, since it is larger than the sum of its proper divisors (98160556).

130655444 is a wasteful number, since it uses less digits than its factorization.

130655444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24142 (or 24140 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 130655444 is about 11430.4612330387. The cubic root of 130655444 is about 507.4296459051.

The spelling of 130655444 in words is "one hundred thirty million, six hundred fifty-five thousand, four hundred forty-four".