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16109424 = 2432111871
BaseRepresentation
bin111101011100…
…111101110000
31010022102222100
4331130331300
513111000144
61333140400
7253633152
oct75347560
933272870
1016109424
119103281
12548a700
133450606
1421d4ad2
151633269
hexf5cf70

16109424 has 30 divisors (see below), whose sum is σ = 45084416. Its totient is φ = 5369760.

The previous prime is 16109389. The next prime is 16109441. The reversal of 16109424 is 42490161.

16109424 is a `hidden beast` number, since 1 + 610 + 9 + 42 + 4 = 666.

It is a super-2 number, since 2×161094242 = 519027083223552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55792 + ... + 56079.

Almost surely, 216109424 is an apocalyptic number.

It is an amenable number.

16109424 is an abundant number, since it is smaller than the sum of its proper divisors (28974992).

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

16109424 is a wasteful number, since it uses less digits than its factorization.

16109424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111885 (or 111876 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 16109424 is about 4013.6546936676. The cubic root of 16109424 is about 252.5573454042.

Adding to 16109424 its reverse (42490161), we get a palindrome (58599585).

The spelling of 16109424 in words is "sixteen million, one hundred nine thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 111871 223742 335613 447484 671226 894968 1006839 1342452 1789936 2013678 2684904 4027356 5369808 8054712 16109424