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23079620 = 2255919559
BaseRepresentation
bin101100000001…
…0101011000100
31121102120021202
41120002223010
521402021440
62142402032
7400113344
oct130025304
947376252
1023079620
1112034073
127890318
134a210a5
1430cad24
15205d615
hex1602ac4

23079620 has 24 divisors (see below), whose sum is σ = 49291200. Its totient is φ = 9074912.

The previous prime is 23079599. The next prime is 23079629. The reversal of 23079620 is 2697032.

It is not an unprimeable number, because it can be changed into a prime (23079629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8600 + ... + 10959.

It is an arithmetic number, because the mean of its divisors is an integer number (2053800).

Almost surely, 223079620 is an apocalyptic number.

23079620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23079620 is an abundant number, since it is smaller than the sum of its proper divisors (26211580).

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

23079620 is a wasteful number, since it uses less digits than its factorization.

23079620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19627 (or 19625 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 23079620 is about 4804.1253106055. The cubic root of 23079620 is about 284.7144775667.

The spelling of 23079620 in words is "twenty-three million, seventy-nine thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 19559 39118 78236 97795 195590 391180 1153981 2307962 4615924 5769905 11539810 23079620