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13423827 = 34474609
BaseRepresentation
bin110011001101…
…010011010011
3221021000000210
4303031103103
511414030302
61155415203
7222046344
oct63152323
927230023
1013423827
11763957a
1245b4503
132a200c1
141ad60cb
1512a266c
hexccd4d3

13423827 has 4 divisors (see below), whose sum is σ = 17898440. Its totient is φ = 8949216.

The previous prime is 13423793. The next prime is 13423831. The reversal of 13423827 is 72832431.

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

It is not a de Polignac number, because 13423827 - 26 = 13423763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13423794 and 13423803.

It is not an unprimeable number, because it can be changed into a prime (13423847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2237302 + ... + 2237307.

It is an arithmetic number, because the mean of its divisors is an integer number (4474610).

Almost surely, 213423827 is an apocalyptic number.

13423827 is a deficient number, since it is larger than the sum of its proper divisors (4474613).

13423827 is an equidigital number, since it uses as much as digits as its factorization.

13423827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474612.

The product of its digits is 8064, while the sum is 30.

The square root of 13423827 is about 3663.8541182749. The cubic root of 13423827 is about 237.6614717263.

The spelling of 13423827 in words is "thirteen million, four hundred twenty-three thousand, eight hundred twenty-seven".

Divisors: 1 3 4474609 13423827