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130022542 = 21323217429
BaseRepresentation
bin1111011111111…
…11110010001110
3100001122211101201
413233333302032
5231241210132
620522500114
73136113316
oct757776216
9301584351
10130022542
1167437951
123766463a
1320c25b20
14133a8446
15b6352e7
hex7bffc8e

130022542 has 16 divisors (see below), whose sum is σ = 219169440. Its totient is φ = 57400992.

The previous prime is 130022509. The next prime is 130022549. The reversal of 130022542 is 245220031.

It is a super-2 number, since 2×1300225422 = 33811722856283528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130022549) 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, 108117 + ... + 109312.

It is an arithmetic number, because the mean of its divisors is an integer number (13698090).

Almost surely, 2130022542 is an apocalyptic number.

130022542 is a deficient number, since it is larger than the sum of its proper divisors (89146898).

130022542 is a wasteful number, since it uses less digits than its factorization.

130022542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217467.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 130022542 is about 11402.7427402358. The cubic root of 130022542 is about 506.6089805246.

Adding to 130022542 its reverse (245220031), we get a palindrome (375242573).

The spelling of 130022542 in words is "one hundred thirty million, twenty-two thousand, five hundred forty-two".

Divisors: 1 2 13 23 26 46 299 598 217429 434858 2826577 5000867 5653154 10001734 65011271 130022542