Search a number
-
+
23228951 = 3147107149
BaseRepresentation
bin101100010011…
…1001000010111
31121201011010112
41120213020113
521421311301
62145513235
7401304614
oct130471027
947634115
1023228951
1112126289
12794281b
134a74055
14312950b
15208c9bb
hex1627217

23228951 has 16 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 21649440.

The previous prime is 23228939. The next prime is 23228969. The reversal of 23228951 is 15982232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23228951 - 222 = 19034647 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 (23228921) 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, 155825 + ... + 155973.

It is an arithmetic number, because the mean of its divisors is an integer number (1555200).

Almost surely, 223228951 is an apocalyptic number.

23228951 is a deficient number, since it is larger than the sum of its proper divisors (1654249).

23228951 is a wasteful number, since it uses less digits than its factorization.

23228951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334.

The product of its digits is 8640, while the sum is 32.

The square root of 23228951 is about 4819.6422066373. The cubic root of 23228951 is about 285.3272162500.

The spelling of 23228951 in words is "twenty-three million, two hundred twenty-eight thousand, nine hundred fifty-one".

Divisors: 1 31 47 107 149 1457 3317 4619 5029 7003 15943 155899 217093 494233 749321 23228951