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130629646 = 279330689
BaseRepresentation
bin1111100100101…
…00000000001110
3100002210200012001
413302110000032
5231420122041
620543502514
73144222310
oct762240016
9302720161
10130629646
1167811a94
12378b7a3a
13210a9264
14134c57b0
15b705131
hex7c9400e

130629646 has 8 divisors (see below), whose sum is σ = 223936560. Its totient is φ = 55984128.

The previous prime is 130629643. The next prime is 130629671. The reversal of 130629646 is 646926031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130629643) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4665331 + ... + 4665358.

It is an arithmetic number, because the mean of its divisors is an integer number (27992070).

Almost surely, 2130629646 is an apocalyptic number.

130629646 is a deficient number, since it is larger than the sum of its proper divisors (93306914).

130629646 is an equidigital number, since it uses as much as digits as its factorization.

130629646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9330698.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 130629646 is about 11429.3327014310. The cubic root of 130629646 is about 507.3962462720.

The spelling of 130629646 in words is "one hundred thirty million, six hundred twenty-nine thousand, six hundred forty-six".

Divisors: 1 2 7 14 9330689 18661378 65314823 130629646