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27474142 = 2171137151
BaseRepresentation
bin110100011001…
…1100011011110
31220200211102211
41220303203132
524013133032
62420511034
7452345353
oct150634336
956624384
1027474142
1114565803
12924b47a
1358cc3b7
14391262a
15262a747
hex1a338de

27474142 has 16 divisors (see below), whose sum is σ = 44027712. Its totient is φ = 12812800.

The previous prime is 27474137. The next prime is 27474143. The reversal of 27474142 is 24147472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27474143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267 + ... + 7417.

It is an arithmetic number, because the mean of its divisors is an integer number (2751732).

Almost surely, 227474142 is an apocalyptic number.

27474142 is a deficient number, since it is larger than the sum of its proper divisors (16553570).

27474142 is a wasteful number, since it uses less digits than its factorization.

27474142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7283.

The product of its digits is 12544, while the sum is 31.

The square root of 27474142 is about 5241.5781974516. The cubic root of 27474142 is about 301.7459012011.

It can be divided in two parts, 2747 and 4142, that added together give a square (6889 = 832).

The spelling of 27474142 in words is "twenty-seven million, four hundred seventy-four thousand, one hundred forty-two".

Divisors: 1 2 17 34 113 226 1921 3842 7151 14302 121567 243134 808063 1616126 13737071 27474142