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130395562 = 21114939779
BaseRepresentation
bin1111100010110…
…10110110101010
3100002100210002021
413301122312222
5231340124222
620534455054
73142225663
oct761326652
9302323067
10130395562
1167672130
123780448a
132102684b
141346436a
15b6aaac7
hex7c5adaa

130395562 has 16 divisors (see below), whose sum is σ = 214812000. Its totient is φ = 58871440.

The previous prime is 130395553. The next prime is 130395563. The reversal of 130395562 is 265593031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (130395563) 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, 16612 + ... + 23167.

It is an arithmetic number, because the mean of its divisors is an integer number (13425750).

Almost surely, 2130395562 is an apocalyptic number.

130395562 is a deficient number, since it is larger than the sum of its proper divisors (84416438).

130395562 is a wasteful number, since it uses less digits than its factorization.

130395562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39941.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 130395562 is about 11419.0876167932. The cubic root of 130395562 is about 507.0929859651.

The spelling of 130395562 in words is "one hundred thirty million, three hundred ninety-five thousand, five hundred sixty-two".

Divisors: 1 2 11 22 149 298 1639 3278 39779 79558 437569 875138 5927071 11854142 65197781 130395562