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23000068 = 22713179353
BaseRepresentation
bin101011110111…
…1010000000100
31121021112011101
41113233100010
521342000233
62140545444
7366332410
oct127572004
947245141
1023000068
1111a8a323
127852284
1349c3b10
1430a9d40
152044c7d
hex15ef404

23000068 has 48 divisors (see below), whose sum is σ = 49956480. Its totient is φ = 9022464.

The previous prime is 23000059. The next prime is 23000071. The reversal of 23000068 is 86000032.

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, 64980 + ... + 65332.

It is an arithmetic number, because the mean of its divisors is an integer number (1040760).

Almost surely, 223000068 is an apocalyptic number.

23000068 is a gapful number since it is divisible by the number (28) 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 23000068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24978240).

23000068 is an abundant number, since it is smaller than the sum of its proper divisors (26956412).

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

23000068 is a wasteful number, since it uses less digits than its factorization.

23000068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 23000068 is about 4795.8386127976. The cubic root of 23000068 is about 284.3869782500.

The spelling of 23000068 in words is "twenty-three million, sixty-eight", and thus it is an aban number and an uban number.

Divisors: 1 2 4 7 13 14 26 28 52 91 179 182 353 358 364 706 716 1253 1412 2327 2471 2506 4589 4654 4942 5012 9178 9308 9884 16289 18356 32123 32578 63187 64246 65156 126374 128492 252748 442309 821431 884618 1642862 1769236 3285724 5750017 11500034 23000068