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23000664 = 233958361
BaseRepresentation
bin101011110111…
…1011001011000
31121021112222110
41113233121120
521342010124
62140552320
7366334221
oct127573130
947245873
1023000664
1111a8a815
1278526a0
1349c417b
1430aa248
152045029
hex15ef658

23000664 has 16 divisors (see below), whose sum is σ = 57501720. Its totient is φ = 7666880.

The previous prime is 23000647. The next prime is 23000689. The reversal of 23000664 is 46600032.

It is a self number, because there is not a number n which added to its sum of digits gives 23000664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479157 + ... + 479204.

Almost surely, 223000664 is an apocalyptic number.

23000664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23000664 is an abundant number, since it is smaller than the sum of its proper divisors (34501056).

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

23000664 is a wasteful number, since it uses less digits than its factorization.

23000664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958370 (or 958366 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23000664 is about 4795.9007495986. The cubic root of 23000664 is about 284.3894346656.

Adding to 23000664 its reverse (46600032), we get a palindrome (69600696).

The spelling of 23000664 in words is "twenty-three million, six hundred sixty-four", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 24 958361 1916722 2875083 3833444 5750166 7666888 11500332 23000664