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13304023 = 101157839
BaseRepresentation
bin110010110000…
…000011010111
3221000220200121
4302300003113
511401212043
61153052411
7221040145
oct62600327
927026617
1013304023
117567567
124557107
1329aa705
141aa4595
15127bded
hexcb00d7

13304023 has 8 divisors (see below), whose sum is σ = 13537440. Its totient is φ = 13072800.

The previous prime is 13304003. The next prime is 13304029. The reversal of 13304023 is 32040331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13304023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13303988 and 13304006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13304029) 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 7 ways as a sum of consecutive naturals, for example, 15438 + ... + 16276.

It is an arithmetic number, because the mean of its divisors is an integer number (1692180).

Almost surely, 213304023 is an apocalyptic number.

13304023 is a deficient number, since it is larger than the sum of its proper divisors (233417).

13304023 is a wasteful number, since it uses less digits than its factorization.

13304023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13304023 is about 3647.4680259051. The cubic root of 13304023 is about 236.9523366083.

Adding to 13304023 its reverse (32040331), we get a palindrome (45344354).

The spelling of 13304023 in words is "thirteen million, three hundred four thousand, twenty-three".

Divisors: 1 101 157 839 15857 84739 131723 13304023