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427927572 = 223243276439
BaseRepresentation
bin11001100000011…
…010100000010100
31002211012222021100
4121200122200110
51334022140242
6110243550100
713414216152
oct3140324024
91084188240
10427927572
111aa610356
12bb38b330
136a86c1a7
1440b943d2
152787d54c
hex1981a814

427927572 has 36 divisors (see below), whose sum is σ = 1106865760. Its totient is φ = 139324752.

The previous prime is 427927547. The next prime is 427927573. The reversal of 427927572 is 275729724.

427927572 is a `hidden beast` number, since 4 + 2 + 79 + 2 + 7 + 572 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427927573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136672 + ... + 139767.

Almost surely, 2427927572 is an apocalyptic number.

It is an amenable number.

427927572 is an abundant number, since it is smaller than the sum of its proper divisors (678938188).

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

427927572 is a wasteful number, since it uses less digits than its factorization.

427927572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276492 (or 276487 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 427927572 is about 20686.4103217547. The cubic root of 427927572 is about 753.5696921088.

The spelling of 427927572 in words is "four hundred twenty-seven million, nine hundred twenty-seven thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 43 86 129 172 258 387 516 774 1548 276439 552878 829317 1105756 1658634 2487951 3317268 4975902 9951804 11886877 23773754 35660631 47547508 71321262 106981893 142642524 213963786 427927572