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23076680 = 23511179293
BaseRepresentation
bin101100000000…
…1111101001000
31121102102020212
41120001331020
521401423210
62142340252
7400101644
oct130017510
947372225
1023076680
1112031940
12788a688
134a1c953
1430c9c24
15205c805
hex1601f48

23076680 has 64 divisors (see below), whose sum is σ = 57153600. Its totient is φ = 8316160.

The previous prime is 23076661. The next prime is 23076707. The reversal of 23076680 is 8667032.

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, 78614 + ... + 78906.

It is an arithmetic number, because the mean of its divisors is an integer number (893025).

Almost surely, 223076680 is an apocalyptic number.

23076680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23076680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28576800).

23076680 is an abundant number, since it is smaller than the sum of its proper divisors (34076920).

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

23076680 is a wasteful number, since it uses less digits than its factorization.

23076680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 23076680 is about 4803.8193138377. The cubic root of 23076680 is about 284.7023875913.

The spelling of 23076680 in words is "twenty-three million, seventy-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 179 220 293 358 440 586 716 895 1172 1432 1465 1790 1969 2344 2930 3223 3580 3938 5860 6446 7160 7876 9845 11720 12892 15752 16115 19690 25784 32230 39380 52447 64460 78760 104894 128920 209788 262235 419576 524470 576917 1048940 1153834 2097880 2307668 2884585 4615336 5769170 11538340 23076680