Search a number
-
+
23839057 = 112271727
BaseRepresentation
bin101101011110…
…0000101010001
31122212011001001
41122330011101
522100322212
62210542001
7406425424
oct132740521
948764031
1023839057
1112502700
127b97901
134c28968
1432479bb
15215d657
hex16bc151

23839057 has 12 divisors (see below), whose sum is σ = 26336128. Its totient is φ = 21562200.

The previous prime is 23839033. The next prime is 23839061. The reversal of 23839057 is 75093832.

It is a de Polignac number, because none of the positive numbers 2k-23839057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23839007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32428 + ... + 33154.

Almost surely, 223839057 is an apocalyptic number.

It is an amenable number.

23839057 is a deficient number, since it is larger than the sum of its proper divisors (2497071).

23839057 is a wasteful number, since it uses less digits than its factorization.

23839057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 23839057 is about 4882.5256783759. The cubic root of 23839057 is about 287.8036896820.

The spelling of 23839057 in words is "twenty-three million, eight hundred thirty-nine thousand, fifty-seven".

Divisors: 1 11 121 271 727 2981 7997 32791 87967 197017 2167187 23839057