Search a number
-
+
23254631 = 107217333
BaseRepresentation
bin101100010110…
…1011001100111
31121202110100122
41120231121213
521423122011
62150232155
7401442521
oct130553147
947673318
1023254631
1112143604
12795565b
134a8294a
143134a11
1520953db
hex162d667

23254631 has 4 divisors (see below), whose sum is σ = 23472072. Its totient is φ = 23037192.

The previous prime is 23254601. The next prime is 23254639. The reversal of 23254631 is 13645232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23254631 is a prime.

It is a super-2 number, since 2×232546312 = 1081555725892322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23254631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23254639) 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, 108560 + ... + 108773.

It is an arithmetic number, because the mean of its divisors is an integer number (5868018).

Almost surely, 223254631 is an apocalyptic number.

23254631 is a deficient number, since it is larger than the sum of its proper divisors (217441).

23254631 is a wasteful number, since it uses less digits than its factorization.

23254631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217440.

The product of its digits is 4320, while the sum is 26.

The square root of 23254631 is about 4822.3055689162. The cubic root of 23254631 is about 285.4323222225.

Adding to 23254631 its reverse (13645232), we get a palindrome (36899863).

The spelling of 23254631 in words is "twenty-three million, two hundred fifty-four thousand, six hundred thirty-one".

Divisors: 1 107 217333 23254631