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23078564 = 226419001
BaseRepresentation
bin101100000001…
…0011010100100
31121102111211122
41120002122210
521402003224
62142353112
7400110305
oct130023244
947374748
1023078564
11120332a3
12788b798
134a20772
1430ca7ac
15205d15e
hex16026a4

23078564 has 12 divisors (see below), whose sum is σ = 40454988. Its totient is φ = 11520000.

The previous prime is 23078563. The next prime is 23078579. The reversal of 23078564 is 46587032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12902464 + 10176100 = 3592^2 + 3190^2 .

It is not an unprimeable number, because it can be changed into a prime (23078563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1937 + ... + 7064.

It is an arithmetic number, because the mean of its divisors is an integer number (3371249).

Almost surely, 223078564 is an apocalyptic number.

It is an amenable number.

23078564 is a deficient number, since it is larger than the sum of its proper divisors (17376424).

23078564 is a wasteful number, since it uses less digits than its factorization.

23078564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9646 (or 9644 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 23078564 is about 4804.0154038054. The cubic root of 23078564 is about 284.7101351631.

The spelling of 23078564 in words is "twenty-three million, seventy-eight thousand, five hundred sixty-four".

Divisors: 1 2 4 641 1282 2564 9001 18002 36004 5769641 11539282 23078564