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23076940 = 2252514597
BaseRepresentation
bin101100000001…
…0000001001100
31121102102121111
41120002001030
521401430230
62142341404
7400102465
oct130020114
947372544
1023076940
1112032057
12788a864
134a1cac3
1430c9d6c
15205c92a
hex160204c

23076940 has 24 divisors (see below), whose sum is σ = 48665232. Its totient is φ = 9192000.

The previous prime is 23076929. The next prime is 23076941. The reversal of 23076940 is 4967032.

It is not an unprimeable number, because it can be changed into a prime (23076941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2722 + ... + 7318.

It is an arithmetic number, because the mean of its divisors is an integer number (2027718).

Almost surely, 223076940 is an apocalyptic number.

23076940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23076940 is an abundant number, since it is smaller than the sum of its proper divisors (25588292).

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

23076940 is a wasteful number, since it uses less digits than its factorization.

23076940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857 (or 4855 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 23076940 is about 4803.8463755620. The cubic root of 23076940 is about 284.7034568142.

The spelling of 23076940 in words is "twenty-three million, seventy-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 251 502 1004 1255 2510 4597 5020 9194 18388 22985 45970 91940 1153847 2307694 4615388 5769235 11538470 23076940