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13390053 = 34463351
BaseRepresentation
bin110011000101…
…000011100101
3221012021200220
4303011003211
511411440203
61154554553
7221546025
oct63050345
927167626
1013390053
117616166
124598a59
132a0a911
141ac7a85
151297653
hexcc50e5

13390053 has 4 divisors (see below), whose sum is σ = 17853408. Its totient is φ = 8926700.

The previous prime is 13390051. The next prime is 13390099. The reversal of 13390053 is 35009331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13390053 - 21 = 13390051 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13390051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2231673 + ... + 2231678.

It is an arithmetic number, because the mean of its divisors is an integer number (4463352).

Almost surely, 213390053 is an apocalyptic number.

It is an amenable number.

13390053 is a deficient number, since it is larger than the sum of its proper divisors (4463355).

13390053 is an equidigital number, since it uses as much as digits as its factorization.

13390053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463354.

The product of its (nonzero) digits is 1215, while the sum is 24.

The square root of 13390053 is about 3659.2421346503. The cubic root of 13390053 is about 237.4619876375.

Adding to 13390053 its reverse (35009331), we get a palindrome (48399384).

The spelling of 13390053 in words is "thirteen million, three hundred ninety thousand, fifty-three".

Divisors: 1 3 4463351 13390053