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431214308 = 22724335081
BaseRepresentation
bin11001101100111…
…100111011100100
31010001101221211022
4121230330323210
51340342324213
6110442230312
713454155400
oct3154747344
91101357738
10431214308
11201455768
121004b5398
136b4501c5
14413ac100
1527ccc308
hex19b3cee4

431214308 has 36 divisors (see below), whose sum is σ = 880029612. Its totient is φ = 184343040.

The previous prime is 431214293. The next prime is 431214313. The reversal of 431214308 is 803412134.

It can be written as a sum of positive squares in 2 ways, for example, as 53611684 + 377602624 = 7322^2 + 19432^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82328 + ... + 87408.

It is an arithmetic number, because the mean of its divisors is an integer number (24445267).

Almost surely, 2431214308 is an apocalyptic number.

It is an amenable number.

431214308 is an abundant number, since it is smaller than the sum of its proper divisors (448815304).

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

431214308 is a wasteful number, since it uses less digits than its factorization.

431214308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532 (or 5523 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 431214308 is about 20765.7002771397. The cubic root of 431214308 is about 755.4940602039.

The spelling of 431214308 in words is "four hundred thirty-one million, two hundred fourteen thousand, three hundred eight".

Divisors: 1 2 4 7 14 28 49 98 196 433 866 1732 3031 5081 6062 10162 12124 20324 21217 35567 42434 71134 84868 142268 248969 497938 995876 2200073 4400146 8800292 15400511 30801022 61602044 107803577 215607154 431214308