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130943532 = 22310911961
BaseRepresentation
bin1111100111000…
…00101000101100
3100010101121202110
413303200220230
5232010143112
620554324020
73150000366
oct763405054
9303347673
10130943532
1167a068a5
1237a29610
13211890a5
1413567d36
15b76813c
hex7ce0a2c

130943532 has 12 divisors (see below), whose sum is σ = 305534936. Its totient is φ = 43647840.

The previous prime is 130943521. The next prime is 130943587. The reversal of 130943532 is 235349031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 130943532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5455969 + ... + 5455992.

Almost surely, 2130943532 is an apocalyptic number.

130943532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130943532 is an abundant number, since it is smaller than the sum of its proper divisors (174591404).

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

130943532 is a wasteful number, since it uses less digits than its factorization.

130943532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911968 (or 10911966 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 130943532 is about 11443.0560603363. The cubic root of 130943532 is about 507.8023235269.

The spelling of 130943532 in words is "one hundred thirty million, nine hundred forty-three thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 10911961 21823922 32735883 43647844 65471766 130943532