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27442061 = 196721557
BaseRepresentation
bin110100010101…
…1101110001101
31220122012102122
41220223232031
524011121221
62420102325
7452153003
oct150535615
956565378
1027442061
1114543699
1292349a5
1358ba90a
143904a73
152620eab
hex1a2bb8d

27442061 has 8 divisors (see below), whose sum is σ = 29318880. Its totient is φ = 25608528.

The previous prime is 27442057. The next prime is 27442067. The reversal of 27442061 is 16024472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27442061 - 22 = 27442057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27442061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27442067) 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, 9506 + ... + 12051.

It is an arithmetic number, because the mean of its divisors is an integer number (3664860).

Almost surely, 227442061 is an apocalyptic number.

It is an amenable number.

27442061 is a deficient number, since it is larger than the sum of its proper divisors (1876819).

27442061 is a wasteful number, since it uses less digits than its factorization.

27442061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21643.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 27442061 is about 5238.5170611539. The cubic root of 27442061 is about 301.6284079288.

The spelling of 27442061 in words is "twenty-seven million, four hundred forty-two thousand, sixty-one".

Divisors: 1 19 67 1273 21557 409583 1444319 27442061