Search a number
-
+
23389051 = 7293137
BaseRepresentation
bin101100100111…
…0001101111011
31122000021202011
41121032031323
521441422201
62153150351
7402542440
oct131161573
948007664
1023389051
11122255a4
1279bb3b7
134acbb9a
14316b9c7
1520c0151
hex164e37b

23389051 has 16 divisors (see below), whose sum is σ = 27887040. Its totient is φ = 19215168.

The previous prime is 23389043. The next prime is 23389061. The reversal of 23389051 is 15098332.

It is a happy number.

It is not a de Polignac number, because 23389051 - 23 = 23389043 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 (23389021) 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, 170655 + ... + 170791.

It is an arithmetic number, because the mean of its divisors is an integer number (1742940).

Almost surely, 223389051 is an apocalyptic number.

23389051 is a deficient number, since it is larger than the sum of its proper divisors (4497989).

23389051 is an frugal number, since it uses more digits than its factorization.

23389051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 23389051 is about 4836.2228029734. Note that the first 3 decimals coincide. The cubic root of 23389051 is about 285.9812325697.

The spelling of 23389051 in words is "twenty-three million, three hundred eighty-nine thousand, fifty-one".

Divisors: 1 7 29 137 203 841 959 3973 5887 24389 27811 115217 170723 806519 3341293 23389051