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23895228 = 2237284467
BaseRepresentation
bin101101100100…
…1110010111100
31122222000002110
41123021302330
522104121403
62212054020
7410051250
oct133116274
948860073
1023895228
1112540925
128004310
134c483b6
143260260
152170103
hex16c9cbc

23895228 has 24 divisors (see below), whose sum is σ = 63720832. Its totient is φ = 6827184.

The previous prime is 23895227. The next prime is 23895233. The reversal of 23895228 is 82259832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23895227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142150 + ... + 142317.

Almost surely, 223895228 is an apocalyptic number.

23895228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23895228 is an abundant number, since it is smaller than the sum of its proper divisors (39825604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23895228 is a wasteful number, since it uses less digits than its factorization.

23895228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284481 (or 284479 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 23895228 is about 4888.2745422081. The cubic root of 23895228 is about 288.0295590803.

The spelling of 23895228 in words is "twenty-three million, eight hundred ninety-five thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 284467 568934 853401 1137868 1706802 1991269 3413604 3982538 5973807 7965076 11947614 23895228