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27572042 = 213786021
BaseRepresentation
bin110100100101…
…1011101001010
31220212210201202
41221023131022
524024301132
62422544202
7453233651
oct151133512
956783652
1027572042
1114622313
129298062
135934b24
14393a198
152649762
hex1a4b74a

27572042 has 4 divisors (see below), whose sum is σ = 41358066. Its totient is φ = 13786020.

The previous prime is 27572029. The next prime is 27572053. The reversal of 27572042 is 24027572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22648081 + 4923961 = 4759^2 + 2219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27571996 and 27572014.

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 as a sum of consecutive naturals, namely, 6893009 + ... + 6893012.

Almost surely, 227572042 is an apocalyptic number.

27572042 is a deficient number, since it is larger than the sum of its proper divisors (13786024).

27572042 is a wasteful number, since it uses less digits than its factorization.

27572042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13786023.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 27572042 is about 5250.9086832662. The cubic root of 27572042 is about 302.1038851411.

The spelling of 27572042 in words is "twenty-seven million, five hundred seventy-two thousand, forty-two".

Divisors: 1 2 13786021 27572042