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425344520 = 23523462331
BaseRepresentation
bin11001010110100…
…011111000001000
31002122100201222202
4121112203320020
51332342011040
6110112335332
713353240326
oct3126437010
91078321882
10425344520
111a91066a7
12ba544548
136a176563
14406c0d16
152751d015
hex195a3e08

425344520 has 32 divisors (see below), whose sum is σ = 998637120. Its totient is φ = 162740160.

The previous prime is 425344483. The next prime is 425344531. The reversal of 425344520 is 25443524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230246 + ... + 232085.

It is an arithmetic number, because the mean of its divisors is an integer number (31207410).

Almost surely, 2425344520 is an apocalyptic number.

425344520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425344520 is an abundant number, since it is smaller than the sum of its proper divisors (573292600).

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

425344520 is a wasteful number, since it uses less digits than its factorization.

425344520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462365 (or 462361 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 425344520 is about 20623.8822727439. The cubic root of 425344520 is about 752.0504012167.

The spelling of 425344520 in words is "four hundred twenty-five million, three hundred forty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 462331 924662 1849324 2311655 3698648 4623310 9246620 10633613 18493240 21267226 42534452 53168065 85068904 106336130 212672260 425344520