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23089844 = 225772461
BaseRepresentation
bin101100000010…
…1001010110100
31121110002022102
41120011022310
521402333334
62142521232
7400155221
oct130051264
947402272
1023089844
1112040818
127896218
134a2593b
1430d0948
15206167e
hex16052b4

23089844 has 6 divisors (see below), whose sum is σ = 40407234. Its totient is φ = 11544920.

The previous prime is 23089811. The next prime is 23089849. The reversal of 23089844 is 44898032.

It can be written as a sum of positive squares in only one way, i.e., 20593444 + 2496400 = 4538^2 + 1580^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23089798 and 23089807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23089849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2886227 + ... + 2886234.

It is an arithmetic number, because the mean of its divisors is an integer number (6734539).

Almost surely, 223089844 is an apocalyptic number.

It is an amenable number.

23089844 is a deficient number, since it is larger than the sum of its proper divisors (17317390).

23089844 is a wasteful number, since it uses less digits than its factorization.

23089844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5772465 (or 5772463 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 23089844 is about 4805.1892782699. The cubic root of 23089844 is about 284.7565130810.

The spelling of 23089844 in words is "twenty-three million, eighty-nine thousand, eight hundred forty-four".

Divisors: 1 2 4 5772461 11544922 23089844