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16425564 = 2231368797
BaseRepresentation
bin111110101010…
…001001011100
31010220111122020
4332222021130
513201104224
61344020140
7256420641
oct76521134
933814566
1016425564
1192a9851
125601650
13353148c
142277dc8
151696c79
hexfaa25c

16425564 has 12 divisors (see below), whose sum is σ = 38326344. Its totient is φ = 5475184.

The previous prime is 16425559. The next prime is 16425623. The reversal of 16425564 is 46552461.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684387 + ... + 684410.

It is an arithmetic number, because the mean of its divisors is an integer number (3193862).

Almost surely, 216425564 is an apocalyptic number.

It is an amenable number.

16425564 is an abundant number, since it is smaller than the sum of its proper divisors (21900780).

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

16425564 is a wasteful number, since it uses less digits than its factorization.

16425564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368804 (or 1368802 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 16425564 is about 4052.8464071563. The cubic root of 16425564 is about 254.1987614880.

The spelling of 16425564 in words is "sixteen million, four hundred twenty-five thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 1368797 2737594 4106391 5475188 8212782 16425564