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23122408 = 232890301
BaseRepresentation
bin101100000110…
…1000111101000
31121111201222111
41120031013220
521404404113
62143332104
7400352161
oct130150750
947451874
1023122408
1112063231
1278b1034
134a376ca
1430dc768
15206b13d
hex160d1e8

23122408 has 8 divisors (see below), whose sum is σ = 43354530. Its totient is φ = 11561200.

The previous prime is 23122403. The next prime is 23122409. The reversal of 23122408 is 80422132.

It can be written as a sum of positive squares in only one way, i.e., 14607684 + 8514724 = 3822^2 + 2918^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23122403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445143 + ... + 1445158.

Almost surely, 223122408 is an apocalyptic number.

It is an amenable number.

23122408 is a deficient number, since it is larger than the sum of its proper divisors (20232122).

23122408 is a wasteful number, since it uses less digits than its factorization.

23122408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890307 (or 2890303 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 23122408 is about 4808.5765045385. The cubic root of 23122408 is about 284.8903158516.

The spelling of 23122408 in words is "twenty-three million, one hundred twenty-two thousand, four hundred eight".

Divisors: 1 2 4 8 2890301 5780602 11561204 23122408