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13468151 = 29464419
BaseRepresentation
bin110011011000…
…000111110111
3221100020211102
4303120013313
511421440101
61200400315
7222322514
oct63300767
927306742
1013468151
117669904
12461609b
132a37328
141b0830b
1512b086b
hexcd81f7

13468151 has 4 divisors (see below), whose sum is σ = 13932600. Its totient is φ = 13003704.

The previous prime is 13468109. The next prime is 13468163. The reversal of 13468151 is 15186431.

13468151 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15186431 = 131168187.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13468151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 464419 = 13468151 / (1 + 3 + 4 + 6 + 8 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13468181) 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, 232181 + ... + 232238.

It is an arithmetic number, because the mean of its divisors is an integer number (3483150).

Almost surely, 213468151 is an apocalyptic number.

13468151 is a deficient number, since it is larger than the sum of its proper divisors (464449).

13468151 is an equidigital number, since it uses as much as digits as its factorization.

13468151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464448.

The product of its digits is 2880, while the sum is 29.

The square root of 13468151 is about 3669.8979549846. The cubic root of 13468151 is about 237.9227616983.

The spelling of 13468151 in words is "thirteen million, four hundred sixty-eight thousand, one hundred fifty-one".

Divisors: 1 29 464419 13468151