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13516164 = 2232375449
BaseRepresentation
bin110011100011…
…110110000100
3221102200200200
4303203312010
511430004124
61201410500
7222612504
oct63436604
927380620
1013516164
1176a1992
124639a30
132a5313c
141b1ba04
1512bebc9
hexce3d84

13516164 has 18 divisors (see below), whose sum is σ = 34165950. Its totient is φ = 4505376.

The previous prime is 13516127. The next prime is 13516171. The reversal of 13516164 is 46161531.

13516164 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 only one way, i.e., 9548100 + 3968064 = 3090^2 + 1992^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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, 187689 + ... + 187760.

Almost surely, 213516164 is an apocalyptic number.

It is an amenable number.

13516164 is an abundant number, since it is smaller than the sum of its proper divisors (20649786).

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

13516164 is a wasteful number, since it uses less digits than its factorization.

13516164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375459 (or 375454 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 13516164 is about 3676.4335979316. The cubic root of 13516164 is about 238.2051523016.

Adding to 13516164 its reverse (46161531), we get a palindrome (59677695).

The spelling of 13516164 in words is "thirteen million, five hundred sixteen thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 375449 750898 1126347 1501796 2252694 3379041 4505388 6758082 13516164