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23133672 = 2332321301
BaseRepresentation
bin101100000111…
…1110111101000
31121112022102200
41120033313220
521410234142
62143500200
7400430052
oct130176750
947468380
1023133672
1112070741
1278b7660
134a3c883
1431028d2
15206e64c
hex160fde8

23133672 has 24 divisors (see below), whose sum is σ = 62653890. Its totient is φ = 7711200.

The previous prime is 23133667. The next prime is 23133673. The reversal of 23133672 is 27633132.

It can be written as a sum of positive squares in only one way, i.e., 19236996 + 3896676 = 4386^2 + 1974^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23133673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160579 + ... + 160722.

Almost surely, 223133672 is an apocalyptic number.

It is an amenable number.

23133672 is an abundant number, since it is smaller than the sum of its proper divisors (39520218).

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

23133672 is a wasteful number, since it uses less digits than its factorization.

23133672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321313 (or 321306 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 23133672 is about 4809.7476025255. The cubic root of 23133672 is about 284.9365694479.

The spelling of 23133672 in words is "twenty-three million, one hundred thirty-three thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 321301 642602 963903 1285204 1927806 2570408 2891709 3855612 5783418 7711224 11566836 23133672