Search a number
-
+
27151161 = 361148367
BaseRepresentation
bin110011110010…
…0101100111001
31220002102101120
41213210230321
523422314121
62405535453
7446531622
oct147445471
956072346
1027151161
1114365084
129114589
13581839b
14386aa49
1525b4bc6
hex19e4b39

27151161 has 8 divisors (see below), whose sum is σ = 36795264. Its totient is φ = 17803920.

The previous prime is 27151129. The next prime is 27151169. The reversal of 27151161 is 16115172.

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

It is not a de Polignac number, because 27151161 - 25 = 27151129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27151169) 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, 74001 + ... + 74366.

It is an arithmetic number, because the mean of its divisors is an integer number (4599408).

Almost surely, 227151161 is an apocalyptic number.

It is an amenable number.

27151161 is a deficient number, since it is larger than the sum of its proper divisors (9644103).

27151161 is a wasteful number, since it uses less digits than its factorization.

27151161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148431.

The product of its digits is 420, while the sum is 24.

The square root of 27151161 is about 5210.6775950926. The cubic root of 27151161 is about 300.5588139990.

The spelling of 27151161 in words is "twenty-seven million, one hundred fifty-one thousand, one hundred sixty-one".

Divisors: 1 3 61 183 148367 445101 9050387 27151161