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23148648 = 2332321509
BaseRepresentation
bin101100001001…
…1100001101000
31121120001222100
41120103201220
521411224043
62144053400
7400521525
oct130234150
947501870
1023148648
1112080a16
127904260
134a46633
14310814c
152073cd3
hex1613868

23148648 has 24 divisors (see below), whose sum is σ = 62694450. Its totient is φ = 7716192.

The previous prime is 23148607. The next prime is 23148703. The reversal of 23148648 is 84684132.

23148648 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 8 + 648 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22071204 + 1077444 = 4698^2 + 1038^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160683 + ... + 160826.

Almost surely, 223148648 is an apocalyptic number.

It is an amenable number.

23148648 is an abundant number, since it is smaller than the sum of its proper divisors (39545802).

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

23148648 is a wasteful number, since it uses less digits than its factorization.

23148648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321521 (or 321514 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 23148648 is about 4811.3041890947. The cubic root of 23148648 is about 284.9980424612.

The spelling of 23148648 in words is "twenty-three million, one hundred forty-eight thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 321509 643018 964527 1286036 1929054 2572072 2893581 3858108 5787162 7716216 11574324 23148648