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130606052 = 22237319447
BaseRepresentation
bin1111100100011…
…10001111100100
3100002202110211012
413302032033210
5231413343202
620543201352
73144063443
oct762161744
9302673735
10130606052
11677a6295
12378a6258
132109b5b5
14134bad5a
15b6ed152
hex7c8e3e4

130606052 has 24 divisors (see below), whose sum is σ = 241777536. Its totient is φ = 61604928.

The previous prime is 130606051. The next prime is 130606067. The reversal of 130606052 is 250606031.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (130606051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3008 + ... + 16439.

It is an arithmetic number, because the mean of its divisors is an integer number (10074064).

Almost surely, 2130606052 is an apocalyptic number.

It is an amenable number.

130606052 is a deficient number, since it is larger than the sum of its proper divisors (111171484).

130606052 is a wasteful number, since it uses less digits than its factorization.

130606052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19547 (or 19545 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 130606052 is about 11428.3004860740. The cubic root of 130606052 is about 507.3656962189.

The spelling of 130606052 in words is "one hundred thirty million, six hundred six thousand, fifty-two".

Divisors: 1 2 4 23 46 73 92 146 292 1679 3358 6716 19447 38894 77788 447281 894562 1419631 1789124 2839262 5678524 32651513 65303026 130606052