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23228944 = 2419431777
BaseRepresentation
bin101100010011…
…1001000010000
31121201011010021
41120213020100
521421311234
62145513224
7401304604
oct130471020
947634107
1023228944
1112126282
127942814
134a7404b
143129504
15208c9b4
hex1627210

23228944 has 40 divisors (see below), whose sum is σ = 48503840. Its totient is φ = 10741248.

The previous prime is 23228939. The next prime is 23228969. The reversal of 23228944 is 44982232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12184 + ... + 13960.

It is an arithmetic number, because the mean of its divisors is an integer number (1212596).

Almost surely, 223228944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23228944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24251920).

23228944 is an abundant number, since it is smaller than the sum of its proper divisors (25274896).

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

23228944 is a wasteful number, since it uses less digits than its factorization.

23228944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847 (or 1841 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 23228944 is about 4819.6414804423. The cubic root of 23228944 is about 285.3271875890.

The spelling of 23228944 in words is "twenty-three million, two hundred twenty-eight thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 19 38 43 76 86 152 172 304 344 688 817 1634 1777 3268 3554 6536 7108 13072 14216 28432 33763 67526 76411 135052 152822 270104 305644 540208 611288 1222576 1451809 2903618 5807236 11614472 23228944