Search a number
-
+
8940013 = 19835669
BaseRepresentation
bin100010000110…
…100111101101
3121211012101121
4202012213231
54242040023
6515340541
7135663115
oct42064755
917735347
108940013
115056845
122bb1751
131b10264
14128a045
15bb8d5d
hex8869ed

8940013 has 8 divisors (see below), whose sum is σ = 9525600. Its totient is φ = 8365968.

The previous prime is 8940007. The next prime is 8940017. The reversal of 8940013 is 3100498.

8940013 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is not a de Polignac number, because 8940013 - 221 = 6842861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8940013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8940017) 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, 1258 + ... + 4411.

It is an arithmetic number, because the mean of its divisors is an integer number (1190700).

Almost surely, 28940013 is an apocalyptic number.

8940013 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

8940013 is a deficient number, since it is larger than the sum of its proper divisors (585587).

8940013 is a wasteful number, since it uses less digits than its factorization.

8940013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8940013 is about 2989.9854514696. The cubic root of 8940013 is about 207.5452110320.

The spelling of 8940013 in words is "eight million, nine hundred forty thousand, thirteen".

Divisors: 1 19 83 1577 5669 107711 470527 8940013