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130145346 = 23310922111
BaseRepresentation
bin1111100000111…
…01110001000010
3100001220001212000
413300131301002
5231304122341
620525244430
73140134332
oct760356102
9301801760
10130145346
1167511141
1237703716
1320c699a6
14133db0c2
15b65b8b6
hex7c1dc42

130145346 has 32 divisors (see below), whose sum is σ = 291878400. Its totient is φ = 42981840.

The previous prime is 130145333. The next prime is 130145363. The reversal of 130145346 is 643541031.

It is a super-2 number, since 2×1301453462 = 33875622170919432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5170 + ... + 16941.

It is an arithmetic number, because the mean of its divisors is an integer number (9121200).

Almost surely, 2130145346 is an apocalyptic number.

130145346 is an abundant number, since it is smaller than the sum of its proper divisors (161733054).

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

130145346 is a wasteful number, since it uses less digits than its factorization.

130145346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22231 (or 22225 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 130145346 is about 11408.1263141675. The cubic root of 130145346 is about 506.7684247564.

Adding to 130145346 its reverse (643541031), we get a palindrome (773686377).

The spelling of 130145346 in words is "one hundred thirty million, one hundred forty-five thousand, three hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 109 218 327 654 981 1962 2943 5886 22111 44222 66333 132666 198999 397998 596997 1193994 2410099 4820198 7230297 14460594 21690891 43381782 65072673 130145346