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23082430 = 2572172163
BaseRepresentation
bin101100000001…
…1010110111110
31121102201010211
41120003112332
521402114210
62142423034
7400124500
oct130032676
947381124
1023082430
1112036198
127891a7a
134a22457
1430cbd70
15205e38a
hex16035be

23082430 has 72 divisors (see below), whose sum is σ = 51657048. Its totient is φ = 7402752.

The previous prime is 23082427. The next prime is 23082431. The reversal of 23082430 is 3428032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23082431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 141529 + ... + 141691.

It is an arithmetic number, because the mean of its divisors is an integer number (717459).

Almost surely, 223082430 is an apocalyptic number.

23082430 is an abundant number, since it is smaller than the sum of its proper divisors (28574618).

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

23082430 is a wasteful number, since it uses less digits than its factorization.

23082430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 23082430 is about 4804.4177586884. The cubic root of 23082430 is about 284.7260319917.

The spelling of 23082430 in words is "twenty-three million, eighty-two thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 49 70 85 98 119 163 170 238 245 289 326 490 578 595 815 833 1141 1190 1445 1630 1666 2023 2282 2771 2890 4046 4165 5542 5705 7987 8330 10115 11410 13855 14161 15974 19397 20230 27710 28322 38794 39935 47107 70805 79870 94214 96985 135779 141610 193970 235535 271558 329749 471070 659498 678895 1357790 1648745 2308243 3297490 4616486 11541215 23082430