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27112157 = 37732761
BaseRepresentation
bin110011101101…
…1001011011101
31220000102212222
41213123023131
523420042112
62405035125
7446310122
oct147331335
956012788
1027112157
1114338846
1290b5aa5
1358036c7
14385a749
1525a8372
hex19db2dd

27112157 has 4 divisors (see below), whose sum is σ = 27844956. Its totient is φ = 26379360.

The previous prime is 27112139. The next prime is 27112181. The reversal of 27112157 is 75121172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26327161 + 784996 = 5131^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 27112157 - 28 = 27111901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27112457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366344 + ... + 366417.

It is an arithmetic number, because the mean of its divisors is an integer number (6961239).

Almost surely, 227112157 is an apocalyptic number.

It is an amenable number.

27112157 is a deficient number, since it is larger than the sum of its proper divisors (732799).

27112157 is an equidigital number, since it uses as much as digits as its factorization.

27112157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732798.

The product of its digits is 980, while the sum is 26.

The square root of 27112157 is about 5206.9335505651. The cubic root of 27112157 is about 300.4148224397.

The spelling of 27112157 in words is "twenty-seven million, one hundred twelve thousand, one hundred fifty-seven".

Divisors: 1 37 732761 27112157