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23956030 = 2572911801
BaseRepresentation
bin101101101100…
…0101000111110
31200002002111101
41123120220332
522113043110
62213243314
7410423440
oct133305076
950062441
1023956030
111258257a
12803353a
134c69c87
143278490
15218313a
hex16d8a3e

23956030 has 32 divisors (see below), whose sum is σ = 50984640. Its totient is φ = 7929600.

The previous prime is 23956027. The next prime is 23956061. The reversal of 23956030 is 3065932.

It is a self number, because there is not a number n which added to its sum of digits gives 23956030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3871 + ... + 7930.

It is an arithmetic number, because the mean of its divisors is an integer number (1593270).

Almost surely, 223956030 is an apocalyptic number.

23956030 is an abundant number, since it is smaller than the sum of its proper divisors (27028610).

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

23956030 is a wasteful number, since it uses less digits than its factorization.

23956030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11844.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 23956030 is about 4894.4897589024. The cubic root of 23956030 is about 288.2736516151.

The spelling of 23956030 in words is "twenty-three million, nine hundred fifty-six thousand, thirty".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 203 290 406 1015 2030 11801 23602 59005 82607 118010 165214 342229 413035 684458 826070 1711145 2395603 3422290 4791206 11978015 23956030