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130447020 = 223511197647
BaseRepresentation
bin1111100011001…
…11011010101100
3100002110101200010
413301213122230
5231343301040
620535533220
73142532004
oct761473254
9302411603
10130447020
11676a7860
123782a210
13210440b2
1413479004
15b6bae80
hex7c676ac

130447020 has 48 divisors (see below), whose sum is σ = 398458368. Its totient is φ = 31623360.

The previous prime is 130447003. The next prime is 130447067. The reversal of 130447020 is 20744031.

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, 98164 + ... + 99483.

It is an arithmetic number, because the mean of its divisors is an integer number (8301216).

Almost surely, 2130447020 is an apocalyptic number.

130447020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130447020 is an abundant number, since it is smaller than the sum of its proper divisors (268011348).

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

130447020 is a wasteful number, since it uses less digits than its factorization.

130447020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197670 (or 197668 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 130447020 is about 11421.3405517916. The cubic root of 130447020 is about 507.1596818933.

The spelling of 130447020 in words is "one hundred thirty million, four hundred forty-seven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 197647 395294 592941 790588 988235 1185882 1976470 2174117 2371764 2964705 3952940 4348234 5929410 6522351 8696468 10870585 11858820 13044702 21741170 26089404 32611755 43482340 65223510 130447020