Search a number
-
+
27057043 = 132081311
BaseRepresentation
bin110011100110…
…1101110010011
31212220122021201
41213031232103
523411311133
62403532031
7445660336
oct147155623
955818251
1027057043
11143003a2
12908a017
1357b45b0
14384461d
152596d7d
hex19cdb93

27057043 has 4 divisors (see below), whose sum is σ = 29138368. Its totient is φ = 24975720.

The previous prime is 27057011. The next prime is 27057049. The reversal of 27057043 is 34075072.

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

It is a cyclic number.

It is not a de Polignac number, because 27057043 - 25 = 27057011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27057049) 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, 1040643 + ... + 1040668.

It is an arithmetic number, because the mean of its divisors is an integer number (7284592).

Almost surely, 227057043 is an apocalyptic number.

27057043 is a deficient number, since it is larger than the sum of its proper divisors (2081325).

27057043 is a wasteful number, since it uses less digits than its factorization.

27057043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081324.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 27057043 is about 5201.6384918600. The cubic root of 27057043 is about 300.2111217609.

The spelling of 27057043 in words is "twenty-seven million, fifty-seven thousand, forty-three".

Divisors: 1 13 2081311 27057043