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27429284 = 223725009
BaseRepresentation
bin110100010100…
…0100110100100
31220121112220102
41220220212210
524010214114
62415523232
7452100521
oct150504644
956545812
1027429284
1114535033
129229518
1358b4b5c
143900148
15261c2de
hex1a289a4

27429284 has 18 divisors (see below), whose sum is σ = 49343490. Its totient is φ = 13341312.

The previous prime is 27429263. The next prime is 27429307. The reversal of 27429284 is 48292472.

It can be written as a sum of positive squares in 3 ways, for example, as 15038884 + 12390400 = 3878^2 + 3520^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2972 + ... + 7980.

It is an arithmetic number, because the mean of its divisors is an integer number (2741305).

Almost surely, 227429284 is an apocalyptic number.

It is an amenable number.

27429284 is a deficient number, since it is larger than the sum of its proper divisors (21914206).

27429284 is a wasteful number, since it uses less digits than its factorization.

27429284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087 (or 5048 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 27429284 is about 5237.2973946493. The cubic root of 27429284 is about 301.5815880192.

The spelling of 27429284 in words is "twenty-seven million, four hundred twenty-nine thousand, two hundred eighty-four".

Divisors: 1 2 4 37 74 148 1369 2738 5009 5476 10018 20036 185333 370666 741332 6857321 13714642 27429284