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130830524 = 22112270311
BaseRepresentation
bin1111100110001…
…01000010111100
3100010011212201222
413303011002330
5231443034044
620552052512
73146020046
oct763050274
9303155658
10130830524
1167939a00
1237994138
1321149816
1413538a96
15b7448ee
hex7cc50bc

130830524 has 18 divisors (see below), whose sum is σ = 251660472. Its totient is φ = 59468200.

The previous prime is 130830461. The next prime is 130830533. The reversal of 130830524 is 425038031.

130830524 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1308305242 = 34233252020229152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130830493 and 130830502.

It is a congruent number.

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, 134672 + ... + 135639.

Almost surely, 2130830524 is an apocalyptic number.

It is an amenable number.

130830524 is a deficient number, since it is larger than the sum of its proper divisors (120829948).

130830524 is a wasteful number, since it uses less digits than its factorization.

130830524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270337 (or 270324 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 130830524 is about 11438.1171527485. The cubic root of 130830524 is about 507.6561988564.

Adding to 130830524 its reverse (425038031), we get a palindrome (555868555).

The spelling of 130830524 in words is "one hundred thirty million, eight hundred thirty thousand, five hundred twenty-four".

Divisors: 1 2 4 11 22 44 121 242 484 270311 540622 1081244 2973421 5946842 11893684 32707631 65415262 130830524