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27842542 = 2713152981
BaseRepresentation
bin110101000110…
…1011111101110
31221101112210021
41222031133232
524111430132
62432432354
7455441410
oct152153756
957345707
1027842542
1114797572
1293a86ba
1359caca0
1439aa9b0
15269e997
hex1a8d7ee

27842542 has 16 divisors (see below), whose sum is σ = 51401952. Its totient is φ = 11014560.

The previous prime is 27842509. The next prime is 27842561. The reversal of 27842542 is 24524872.

It is a junction number, because it is equal to n+sod(n) for n = 27842498 and 27842507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76309 + ... + 76672.

It is an arithmetic number, because the mean of its divisors is an integer number (3212622).

Almost surely, 227842542 is an apocalyptic number.

27842542 is a deficient number, since it is larger than the sum of its proper divisors (23559410).

27842542 is a wasteful number, since it uses less digits than its factorization.

27842542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153003.

The product of its digits is 35840, while the sum is 34.

The square root of 27842542 is about 5276.6032634641. The cubic root of 27842542 is about 303.0886182573.

The spelling of 27842542 in words is "twenty-seven million, eight hundred forty-two thousand, five hundred forty-two".

Divisors: 1 2 7 13 14 26 91 182 152981 305962 1070867 1988753 2141734 3977506 13921271 27842542