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23190828 = 22312791511
BaseRepresentation
bin101100001110…
…1110100101100
31121122012211120
41120131310230
521414101303
62145020540
7401055513
oct130356454
947565746
1023190828
11120aa681
127924750
134a5c8ab
14311967a
152081553
hex161dd2c

23190828 has 24 divisors (see below), whose sum is σ = 54190080. Its totient is φ = 7719120.

The previous prime is 23190793. The next prime is 23190833. The reversal of 23190828 is 82809132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14593 + ... + 16103.

It is an arithmetic number, because the mean of its divisors is an integer number (2257920).

Almost surely, 223190828 is an apocalyptic number.

It is an amenable number.

23190828 is an abundant number, since it is smaller than the sum of its proper divisors (30999252).

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

23190828 is a wasteful number, since it uses less digits than its factorization.

23190828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797 (or 2795 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 23190828 is about 4815.6856209682. The cubic root of 23190828 is about 285.1710392222.

The spelling of 23190828 in words is "twenty-three million, one hundred ninety thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 1279 1511 2558 3022 3837 4533 5116 6044 7674 9066 15348 18132 1932569 3865138 5797707 7730276 11595414 23190828