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23049928 = 2311475573
BaseRepresentation
bin101011111101…
…1011011001000
31121101001120001
41113323123020
521400044203
62142012344
7366630646
oct127733310
947331501
1023049928
1112013830
1278770b4
134a10715
1430c0196
15205491d
hex15fb6c8

23049928 has 32 divisors (see below), whose sum is σ = 48159360. Its totient is φ = 10252480.

The previous prime is 23049919. The next prime is 23049931. The reversal of 23049928 is 82994032.

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, 1350 + ... + 6922.

It is an arithmetic number, because the mean of its divisors is an integer number (1504980).

Almost surely, 223049928 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 23049928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24079680).

23049928 is an abundant number, since it is smaller than the sum of its proper divisors (25109432).

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

23049928 is a wasteful number, since it uses less digits than its factorization.

23049928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637 (or 5633 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 23049928 is about 4801.0340552843. The cubic root of 23049928 is about 284.5923298289.

The spelling of 23049928 in words is "twenty-three million, forty-nine thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 11 22 44 47 88 94 188 376 517 1034 2068 4136 5573 11146 22292 44584 61303 122606 245212 261931 490424 523862 1047724 2095448 2881241 5762482 11524964 23049928