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23059530 = 23251319709
BaseRepresentation
bin101011111110…
…1110001001010
31121101112201200
41113331301022
521400401110
62142125030
7400000644
oct127756112
947345650
1023059530
111201aa6a
127880776
134a14bc0
1430c3894
1520576c0
hex15fdc4a

23059530 has 48 divisors (see below), whose sum is σ = 64569960. Its totient is φ = 5675904.

The previous prime is 23059529. The next prime is 23059541. The reversal of 23059530 is 3595032.

It can be written as a sum of positive squares in 4 ways, for example, as 14538969 + 8520561 = 3813^2 + 2919^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23059494 and 23059503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8685 + ... + 11024.

Almost surely, 223059530 is an apocalyptic number.

23059530 is an abundant number, since it is smaller than the sum of its proper divisors (41510430).

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

23059530 is a wasteful number, since it uses less digits than its factorization.

23059530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19735 (or 19732 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 23059530 is about 4802.0339440700. The cubic root of 23059530 is about 284.6318422616.

The spelling of 23059530 in words is "twenty-three million, fifty-nine thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 19709 39418 59127 98545 118254 177381 197090 256217 295635 354762 512434 591270 768651 886905 1281085 1537302 1773810 2305953 2562170 3843255 4611906 7686510 11529765 23059530