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427838302 = 21491678597
BaseRepresentation
bin11001100000000…
…100101101011110
31002211001102211001
4121200010231132
51334011311202
6110242020514
713413364663
oct3140045536
91084042731
10427838302
111aa55a281
12bb34773a
136a83a678
1440b6da6a
1527861d87
hex19804b5e

427838302 has 16 divisors (see below), whose sum is σ = 650008800. Its totient is φ = 211186528.

The previous prime is 427838297. The next prime is 427838329. The reversal of 427838302 is 203838724.

It is a happy number.

It is a super-2 number, since 2×4278383022 = 366091225316486408, which contains 22 as substring.

It is a congruent number.

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, 45468 + ... + 54064.

It is an arithmetic number, because the mean of its divisors is an integer number (40625550).

Almost surely, 2427838302 is an apocalyptic number.

427838302 is a deficient number, since it is larger than the sum of its proper divisors (222170498).

427838302 is a wasteful number, since it uses less digits than its factorization.

427838302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 427838302 is about 20684.2525124791. The cubic root of 427838302 is about 753.5172877229.

The spelling of 427838302 in words is "four hundred twenty-seven million, eight hundred thirty-eight thousand, three hundred two".

Divisors: 1 2 149 167 298 334 8597 17194 24883 49766 1280953 1435699 2561906 2871398 213919151 427838302