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427914678 = 232328310957
BaseRepresentation
bin11001100000010…
…111010110110110
31002211012022120210
4121200113112312
51334021232203
6110243410250
713414133442
oct3140272666
91084168523
10427914678
111aa6016a4
12bb383986
136a866369
1440b8d822
1527879803
hex198175b6

427914678 has 32 divisors (see below), whose sum is σ = 896276736. Its totient is φ = 135942048.

The previous prime is 427914677. The next prime is 427914733. The reversal of 427914678 is 876419724.

It is a super-2 number, since 2×4279146782 = 366221943295687368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427914677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33576 + ... + 44532.

It is an arithmetic number, because the mean of its divisors is an integer number (28008648).

Almost surely, 2427914678 is an apocalyptic number.

427914678 is an abundant number, since it is smaller than the sum of its proper divisors (468362058).

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

427914678 is a wasteful number, since it uses less digits than its factorization.

427914678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11268.

The product of its digits is 677376, while the sum is 48.

The square root of 427914678 is about 20686.0986655290. The cubic root of 427914678 is about 753.5621233628.

The spelling of 427914678 in words is "four hundred twenty-seven million, nine hundred fourteen thousand, six hundred seventy-eight".

Divisors: 1 2 3 6 23 46 69 138 283 566 849 1698 6509 10957 13018 19527 21914 32871 39054 65742 252011 504022 756033 1512066 3100831 6201662 9302493 18604986 71319113 142638226 213957339 427914678