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130523340 = 22355936871
BaseRepresentation
bin1111100011110…
…10000011001100
3100002121021100210
413301322003030
5231403221330
620541322420
73143300343
oct761720314
9302537323
10130523340
116774a132
1237866410
132106ca5c
1413498b5a
15b6d38b0
hex7c7a0cc

130523340 has 48 divisors (see below), whose sum is σ = 371669760. Its totient is φ = 34215360.

The previous prime is 130523339. The next prime is 130523353. The reversal of 130523340 is 43325031.

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, 14896 + ... + 21975.

It is an arithmetic number, because the mean of its divisors is an integer number (7743120).

Almost surely, 2130523340 is an apocalyptic number.

130523340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130523340 is an abundant number, since it is smaller than the sum of its proper divisors (241146420).

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

130523340 is a wasteful number, since it uses less digits than its factorization.

130523340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36942 (or 36940 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 130523340 is about 11424.6811771708. The cubic root of 130523340 is about 507.2585697555.

Adding to 130523340 its reverse (43325031), we get a palindrome (173848371).

The spelling of 130523340 in words is "one hundred thirty million, five hundred twenty-three thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 36871 73742 110613 147484 184355 221226 368710 442452 553065 737420 1106130 2175389 2212260 4350778 6526167 8701556 10876945 13052334 21753890 26104668 32630835 43507780 65261670 130523340