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130343628 = 22310861969
BaseRepresentation
bin1111100010011…
…10001011001100
3100002021010211210
413301032023030
5231331444003
620533414420
73141621402
oct761161314
9302233753
10130343628
1167637108
123779a410
132100900c
141344d472
15b69a503
hex7c4e2cc

130343628 has 12 divisors (see below), whose sum is σ = 304135160. Its totient is φ = 43447872.

The previous prime is 130343611. The next prime is 130343651. The reversal of 130343628 is 826343031.

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

It is a super-2 number, since 2×1303436282 = 33978922720404768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130343595 and 130343604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5430973 + ... + 5430996.

Almost surely, 2130343628 is an apocalyptic number.

It is an amenable number.

130343628 is an abundant number, since it is smaller than the sum of its proper divisors (173791532).

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

130343628 is a wasteful number, since it uses less digits than its factorization.

130343628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10861976 (or 10861974 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 130343628 is about 11416.8133907847. The cubic root of 130343628 is about 507.0256552886.

Adding to 130343628 its reverse (826343031), we get a palindrome (956686659).

The spelling of 130343628 in words is "one hundred thirty million, three hundred forty-three thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 10861969 21723938 32585907 43447876 65171814 130343628