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427914886 = 2731985979
BaseRepresentation
bin11001100000010…
…111011010000110
31002211012022212111
4121200113122012
51334021234021
6110243411234
713414134160
oct3140273206
91084168774
10427914886
111aa601873
12bb383b1a
136a866499
1440b8d930
15278798e1
hex19817686

427914886 has 16 divisors (see below), whose sum is σ = 757232640. Its totient is φ = 177476040.

The previous prime is 427914859. The next prime is 427914899. The reversal of 427914886 is 688419724.

It is a happy number.

It is a super-2 number, since 2×4279148862 = 366222299320785992, 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, 492556 + ... + 493423.

It is an arithmetic number, because the mean of its divisors is an integer number (47327040).

Almost surely, 2427914886 is an apocalyptic number.

427914886 is a deficient number, since it is larger than the sum of its proper divisors (329317754).

427914886 is a wasteful number, since it uses less digits than its factorization.

427914886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986019.

The product of its digits is 774144, while the sum is 49.

The square root of 427914886 is about 20686.1036930593. The cubic root of 427914886 is about 753.5622454595.

The spelling of 427914886 in words is "four hundred twenty-seven million, nine hundred fourteen thousand, eight hundred eighty-six".

Divisors: 1 2 7 14 31 62 217 434 985979 1971958 6901853 13803706 30565349 61130698 213957443 427914886