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130757454 = 23273191521
BaseRepresentation
bin1111100101100…
…11001101001110
3100010001011111200
413302303031032
5231433214304
620550330330
73145264032
oct762631516
9303034450
10130757454
116789a013
12379599a6
1321122499
141351a1c2
15b72ce39
hex7cb334e

130757454 has 48 divisors (see below), whose sum is σ = 289246464. Its totient is φ = 42681600.

The previous prime is 130757443. The next prime is 130757479. The reversal of 130757454 is 454757031.

It is a happy number.

130757454 is a `hidden beast` number, since 1 + 30 + 7 + 574 + 54 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250714 + ... + 251234.

It is an arithmetic number, because the mean of its divisors is an integer number (6025968).

Almost surely, 2130757454 is an apocalyptic number.

130757454 is an abundant number, since it is smaller than the sum of its proper divisors (158489010).

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

130757454 is a wasteful number, since it uses less digits than its factorization.

130757454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 130757454 is about 11434.9225620465. The cubic root of 130757454 is about 507.5616711032.

The spelling of 130757454 in words is "one hundred thirty million, seven hundred fifty-seven thousand, four hundred fifty-four".

Divisors: 1 2 3 6 9 18 73 146 191 219 382 438 521 573 657 1042 1146 1314 1563 1719 3126 3438 4689 9378 13943 27886 38033 41829 76066 83658 99511 114099 125487 199022 228198 250974 298533 342297 597066 684594 895599 1791198 7264303 14528606 21792909 43585818 65378727 130757454