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16369040 = 245204613
BaseRepresentation
bin111110011100…
…010110010000
31010210122002202
4332130112100
513142302130
61342502332
7256064102
oct76342620
933718082
1016369040
119270336
1255949a8
13351182c
142261572
151685145
hexf9c590

16369040 has 20 divisors (see below), whose sum is σ = 38058204. Its totient is φ = 6547584.

The previous prime is 16369039. The next prime is 16369043. The reversal of 16369040 is 4096361.

16369040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9314704 + 7054336 = 3052^2 + 2656^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16368994 and 16369012.

It is not an unprimeable number, because it can be changed into a prime (16369043) 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, 102227 + ... + 102386.

Almost surely, 216369040 is an apocalyptic number.

16369040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16369040 is an abundant number, since it is smaller than the sum of its proper divisors (21689164).

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

16369040 is a wasteful number, since it uses less digits than its factorization.

16369040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204626 (or 204620 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 16369040 is about 4045.8670269795. The cubic root of 16369040 is about 253.9068416507.

The spelling of 16369040 in words is "sixteen million, three hundred sixty-nine thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 204613 409226 818452 1023065 1636904 2046130 3273808 4092260 8184520 16369040