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13600001 = 89152809
BaseRepresentation
bin110011111000…
…010100000001
3221120221200202
4303320110001
511440200001
61203254545
7223412102
oct63702401
927527622
1013600001
117749978
12467a455
132a8234c
141b403a9
1512d996b
hexcf8501

13600001 has 4 divisors (see below), whose sum is σ = 13752900. Its totient is φ = 13447104.

The previous prime is 13599893. The next prime is 13600003. The reversal of 13600001 is 10000631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3519376 + 10080625 = 1876^2 + 3175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13600001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13600003) 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, 76316 + ... + 76493.

It is an arithmetic number, because the mean of its divisors is an integer number (3438225).

Almost surely, 213600001 is an apocalyptic number.

It is an amenable number.

13600001 is a deficient number, since it is larger than the sum of its proper divisors (152899).

13600001 is an equidigital number, since it uses as much as digits as its factorization.

13600001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152898.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13600001 is about 3687.8179184987. The cubic root of 13600001 is about 238.6966442359.

Adding to 13600001 its reverse (10000631), we get a palindrome (23600632).

The spelling of 13600001 in words is "thirteen million, six hundred thousand, one".

Divisors: 1 89 152809 13600001