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27146161 = 7171491531
BaseRepresentation
bin110011110001…
…1011110110001
31220002011112101
41213203132301
523422134121
62405500401
7446511220
oct147433661
956064471
1027146161
1114361349
129111701
135816023
143868cb7
1525b3491
hex19e37b1

27146161 has 16 divisors (see below), whose sum is σ = 33091200. Its totient is φ = 21738240.

The previous prime is 27146143. The next prime is 27146167. The reversal of 27146161 is 16164172.

It is not a de Polignac number, because 27146161 - 27 = 27146033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27146167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16966 + ... + 18496.

It is an arithmetic number, because the mean of its divisors is an integer number (2068200).

Almost surely, 227146161 is an apocalyptic number.

It is an amenable number.

27146161 is a deficient number, since it is larger than the sum of its proper divisors (5945039).

27146161 is a wasteful number, since it uses less digits than its factorization.

27146161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its digits is 2016, while the sum is 28.

The square root of 27146161 is about 5210.1977889520. The cubic root of 27146161 is about 300.5403631449.

The spelling of 27146161 in words is "twenty-seven million, one hundred forty-six thousand, one hundred sixty-one".

Divisors: 1 7 17 119 149 1043 1531 2533 10717 17731 26027 182189 228119 1596833 3878023 27146161