Search a number
-
+
13404629 = 71914947
BaseRepresentation
bin110011001000…
…100111010101
3221020000200202
4303020213111
511412422004
61155150245
7221636360
oct63104725
927200622
1013404629
117626107
1245a5385
132a14444
141acd0d7
15129bb1e
hexcc89d5

13404629 has 4 divisors (see below), whose sum is σ = 15319584. Its totient is φ = 11489676.

The previous prime is 13404613. The next prime is 13404647. The reversal of 13404629 is 92640431.

13404629 is digitally balanced in base 2 and base 8, because in such bases 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 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 13404629 - 24 = 13404613 is a prime.

13404629 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404649) 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, 957467 + ... + 957480.

It is an arithmetic number, because the mean of its divisors is an integer number (3829896).

Almost surely, 213404629 is an apocalyptic number.

It is an amenable number.

13404629 is a deficient number, since it is larger than the sum of its proper divisors (1914955).

13404629 is an equidigital number, since it uses as much as digits as its factorization.

13404629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914954.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 13404629 is about 3661.2332621673. The cubic root of 13404629 is about 237.5481209972.

The spelling of 13404629 in words is "thirteen million, four hundred four thousand, six hundred twenty-nine".

Divisors: 1 7 1914947 13404629