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130509576 = 23331135347
BaseRepresentation
bin1111100011101…
…10101100001000
3100002120120111000
413301312230020
5231402301301
620541135000
73143212251
oct761665410
9302516430
10130509576
116773a85a
123785a460
1321066702
1413493b28
15b6ce786
hex7c76b08

130509576 has 64 divisors (see below), whose sum is σ = 365803200. Its totient is φ = 43110144.

The previous prime is 130509569. The next prime is 130509583. The reversal of 130509576 is 675905031.

It is a happy number.

130509576 is a `hidden beast` number, since 1 + 30 + 50 + 9 + 576 = 666.

It is an interprime number because it is at equal distance from previous prime (130509569) and next prime (130509583).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 130509576.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21735 + ... + 27081.

It is an arithmetic number, because the mean of its divisors is an integer number (5715675).

Almost surely, 2130509576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130509576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182901600).

130509576 is an abundant number, since it is smaller than the sum of its proper divisors (235293624).

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

130509576 is a wasteful number, since it uses less digits than its factorization.

130509576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475 (or 5465 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 130509576 is about 11424.0787812410. The cubic root of 130509576 is about 507.2407385834.

The spelling of 130509576 in words is "one hundred thirty million, five hundred nine thousand, five hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 113 216 226 339 452 678 904 1017 1356 2034 2712 3051 4068 5347 6102 8136 10694 12204 16041 21388 24408 32082 42776 48123 64164 96246 128328 144369 192492 288738 384984 577476 604211 1154952 1208422 1812633 2416844 3625266 4833688 5437899 7250532 10875798 14501064 16313697 21751596 32627394 43503192 65254788 130509576