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16428884 = 2231132491
BaseRepresentation
bin111110101010…
…111101010100
31010220200012012
4332222331110
513201211014
61344043352
7256433423
oct76527524
933820165
1016428884
11930129a
125603558
133532b44
1422792ba
151697c3e
hexfaaf54

16428884 has 12 divisors (see below), whose sum is σ = 29678208. Its totient is φ = 7949400.

The previous prime is 16428871. The next prime is 16428913. The reversal of 16428884 is 48882461.

It is a super-3 number, since 3×164288843 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66122 + ... + 66369.

It is an arithmetic number, because the mean of its divisors is an integer number (2473184).

Almost surely, 216428884 is an apocalyptic number.

It is an amenable number.

16428884 is a deficient number, since it is larger than the sum of its proper divisors (13249324).

16428884 is a wasteful number, since it uses less digits than its factorization.

16428884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132526 (or 132524 counting only the distinct ones).

The product of its digits is 98304, while the sum is 41.

The square root of 16428884 is about 4053.2559751390. The cubic root of 16428884 is about 254.2158868874.

The spelling of 16428884 in words is "sixteen million, four hundred twenty-eight thousand, eight hundred eighty-four".

Divisors: 1 2 4 31 62 124 132491 264982 529964 4107221 8214442 16428884