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23228842 = 2721318233
BaseRepresentation
bin101100010011…
…1000110101010
31121201010222111
41120213012222
521421310332
62145512534
7401304400
oct130470652
947633874
1023228842
111212619a
12794274a
134a73ca0
143129470
15208c947
hex16271aa

23228842 has 24 divisors (see below), whose sum is σ = 43652196. Its totient is φ = 9188928.

The previous prime is 23228839. The next prime is 23228897. The reversal of 23228842 is 24882232.

It can be written as a sum of positive squares in 2 ways, for example, as 22857961 + 370881 = 4781^2 + 609^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7843 + ... + 10390.

Almost surely, 223228842 is an apocalyptic number.

23228842 is a deficient number, since it is larger than the sum of its proper divisors (20423354).

23228842 is a wasteful number, since it uses less digits than its factorization.

23228842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18262 (or 18255 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 23228842 is about 4819.6308987307. The cubic root of 23228842 is about 285.3267699575.

The spelling of 23228842 in words is "twenty-three million, two hundred twenty-eight thousand, eight hundred forty-two".

Divisors: 1 2 7 13 14 26 49 91 98 182 637 1274 18233 36466 127631 237029 255262 474058 893417 1659203 1786834 3318406 11614421 23228842