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13432016 = 241364577
BaseRepresentation
bin110011001111…
…010011010000
3221021102021002
4303033103100
511414311031
61155521132
7222112253
oct63172320
927242232
1013432016
117644744
1245b91a8
132a23a50
141ad909a
1512a4ccb
hexccf4d0

13432016 has 20 divisors (see below), whose sum is σ = 28026852. Its totient is φ = 6199296.

The previous prime is 13432009. The next prime is 13432019. The reversal of 13432016 is 61023431.

13432016 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 5569600 + 7862416 = 2360^2 + 2804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13432019) 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, 32081 + ... + 32496.

Almost surely, 213432016 is an apocalyptic number.

13432016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13432016 is an abundant number, since it is smaller than the sum of its proper divisors (14594836).

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

13432016 is a wasteful number, since it uses less digits than its factorization.

13432016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64598 (or 64592 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 13432016 is about 3664.9714869287. The cubic root of 13432016 is about 237.7097891491.

Adding to 13432016 its reverse (61023431), we get a palindrome (74455447).

The spelling of 13432016 in words is "thirteen million, four hundred thirty-two thousand, sixteen".

Divisors: 1 2 4 8 13 16 26 52 104 208 64577 129154 258308 516616 839501 1033232 1679002 3358004 6716008 13432016