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130874970 = 23529150431
BaseRepresentation
bin1111100110011…
…11111001011010
3100010021010201010
413303033321122
5232000444340
620553034350
73146263452
oct763177132
9303233633
10130874970
116796a336
12379b59b6
1321163b15
141354ad62
15b752b80
hex7ccfe5a

130874970 has 32 divisors (see below), whose sum is σ = 324933120. Its totient is φ = 33696320.

The previous prime is 130874927. The next prime is 130874977. The reversal of 130874970 is 79478031.

It is not an unprimeable number, because it can be changed into a prime (130874977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74346 + ... + 76085.

It is an arithmetic number, because the mean of its divisors is an integer number (10154160).

Almost surely, 2130874970 is an apocalyptic number.

130874970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130874970 is an abundant number, since it is smaller than the sum of its proper divisors (194058150).

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

130874970 is a wasteful number, since it uses less digits than its factorization.

130874970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150470.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 130874970 is about 11440.0598774657. The cubic root of 130874970 is about 507.7136796647.

The spelling of 130874970 in words is "one hundred thirty million, eight hundred seventy-four thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 150431 300862 451293 752155 902586 1504310 2256465 4362499 4512930 8724998 13087497 21812495 26174994 43624990 65437485 130874970