Search a number
-
+
13340823 = 37360917
BaseRepresentation
bin110010111001…
…000010010111
3221002210011120
4302321002113
511403401243
61153535023
7221252346
oct62710227
927083146
1013340823
117592181
124574473
1329c13a2
141ab3b5d
151287c83
hexcb9097

13340823 has 8 divisors (see below), whose sum is σ = 18031728. Its totient is φ = 8771904.

The previous prime is 13340813. The next prime is 13340849. The reversal of 13340823 is 32804331.

13340823 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13340823 - 24 = 13340807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13340793 and 13340802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30240 + ... + 30677.

It is an arithmetic number, because the mean of its divisors is an integer number (2253966).

Almost surely, 213340823 is an apocalyptic number.

13340823 is a deficient number, since it is larger than the sum of its proper divisors (4690905).

13340823 is an equidigital number, since it uses as much as digits as its factorization.

13340823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60993.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 13340823 is about 3652.5091375656. The cubic root of 13340823 is about 237.1706118971.

The spelling of 13340823 in words is "thirteen million, three hundred forty thousand, eight hundred twenty-three".

Divisors: 1 3 73 219 60917 182751 4446941 13340823