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23190284 = 2213445967
BaseRepresentation
bin101100001110…
…1101100001100
31121122012002102
41120131230030
521414042114
62145014232
7401054105
oct130355414
947565072
1023190284
11120aa227
127924378
134a5c580
1431193ac
1520812de
hex161db0c

23190284 has 12 divisors (see below), whose sum is σ = 43704864. Its totient is φ = 10703184.

The previous prime is 23190259. The next prime is 23190311. The reversal of 23190284 is 48209132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222932 + ... + 223035.

It is an arithmetic number, because the mean of its divisors is an integer number (3642072).

Almost surely, 223190284 is an apocalyptic number.

It is an amenable number.

23190284 is a deficient number, since it is larger than the sum of its proper divisors (20514580).

23190284 is a wasteful number, since it uses less digits than its factorization.

23190284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445984 (or 445982 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 23190284 is about 4815.6291385446. The cubic root of 23190284 is about 285.1688094002.

The spelling of 23190284 in words is "twenty-three million, one hundred ninety thousand, two hundred eighty-four".

Divisors: 1 2 4 13 26 52 445967 891934 1783868 5797571 11595142 23190284