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130876444 = 2273448207
BaseRepresentation
bin1111100110100…
…00010000011100
3100010021012201201
413303100100130
5232001021234
620553045244
73146300656
oct763202034
9303235651
10130876444
1167970456
12379b6824
13211646aa
141354b6d6
15b753314
hex7cd041c

130876444 has 12 divisors (see below), whose sum is σ = 232171744. Its totient is φ = 64541664.

The previous prime is 130876441. The next prime is 130876453. The reversal of 130876444 is 444678031.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130876441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223812 + ... + 224395.

Almost surely, 2130876444 is an apocalyptic number.

It is an amenable number.

130876444 is a deficient number, since it is larger than the sum of its proper divisors (101295300).

130876444 is a wasteful number, since it uses less digits than its factorization.

130876444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448284 (or 448282 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 130876444 is about 11440.1243000240. The cubic root of 130876444 is about 507.7155857260.

The spelling of 130876444 in words is "one hundred thirty million, eight hundred seventy-six thousand, four hundred forty-four".

Divisors: 1 2 4 73 146 292 448207 896414 1792828 32719111 65438222 130876444