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130624528 = 248164033
BaseRepresentation
bin1111100100100…
…10110000010000
3100002210102011111
413302102300100
5231414441103
620543423104
73144201346
oct762226020
9302712144
10130624528
1167809161
12378b4a94
13210a6b28
14134c3996
15b70386d
hex7c92c10

130624528 has 10 divisors (see below), whose sum is σ = 253085054. Its totient is φ = 65312256.

The previous prime is 130624519. The next prime is 130624531. The reversal of 130624528 is 825426031.

It can be written as a sum of positive squares in only one way, i.e., 90022144 + 40602384 = 9488^2 + 6372^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 130624528.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4082001 + ... + 4082032.

Almost surely, 2130624528 is an apocalyptic number.

It is an amenable number.

130624528 is a deficient number, since it is larger than the sum of its proper divisors (122460526).

130624528 is an equidigital number, since it uses as much as digits as its factorization.

130624528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8164041 (or 8164035 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 130624528 is about 11429.1088016520. The cubic root of 130624528 is about 507.3896196805.

The spelling of 130624528 in words is "one hundred thirty million, six hundred twenty-four thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 8164033 16328066 32656132 65312264 130624528