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23097788 = 227824921
BaseRepresentation
bin101100000011…
…1000110111100
31121110111012122
41120013012330
521403112123
62143022112
7400220330
oct130070674
947414178
1023097788
111204678a
12789a938
134a2943c
1430d37c0
152063bc8
hex16071bc

23097788 has 12 divisors (see below), whose sum is σ = 46195632. Its totient is φ = 9899040.

The previous prime is 23097761. The next prime is 23097793. The reversal of 23097788 is 88779032.

It is a happy number.

23097788 is an admirable number.

It is a congruent number.

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, 412433 + ... + 412488.

It is an arithmetic number, because the mean of its divisors is an integer number (3849636).

Almost surely, 223097788 is an apocalyptic number.

23097788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23097788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23097788 is a wasteful number, since it uses less digits than its factorization.

23097788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824932 (or 824930 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 23097788 is about 4806.0158135404. The cubic root of 23097788 is about 284.7891659126.

The spelling of 23097788 in words is "twenty-three million, ninety-seven thousand, seven hundred eighty-eight".

Divisors: 1 2 4 7 14 28 824921 1649842 3299684 5774447 11548894 23097788