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427995824 = 2419274099
BaseRepresentation
bin11001100000101…
…011001010110000
31002211100102220012
4121200223022300
51334031331244
6110245234052
713414622144
oct3140531260
91084312805
10427995824
111aa657663
12bb402928
136a894289
1440bb1224
152789389e
hex1982b2b0

427995824 has 30 divisors (see below), whose sum is σ = 875195100. Its totient is φ = 202732128.

The previous prime is 427995823. The next prime is 427995839. The reversal of 427995824 is 428599724.

It is a super-2 number, since 2×4279958242 = 366360850722877952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427995823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31274 + ... + 42825.

It is an arithmetic number, because the mean of its divisors is an integer number (29173170).

Almost surely, 2427995824 is an apocalyptic number.

It is an amenable number.

427995824 is an abundant number, since it is smaller than the sum of its proper divisors (447199276).

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

427995824 is a wasteful number, since it uses less digits than its factorization.

427995824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74145 (or 74120 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 427995824 is about 20688.0599380416. The cubic root of 427995824 is about 753.6097533308.

The spelling of 427995824 in words is "four hundred twenty-seven million, nine hundred ninety-five thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 361 722 1444 2888 5776 74099 148198 296396 592792 1185584 1407881 2815762 5631524 11263048 22526096 26749739 53499478 106998956 213997912 427995824