Search a number
-
+
21360703 = 713234733
BaseRepresentation
bin101000101111…
…1000000111111
31111012020101011
41101133000333
520432020303
62041500051
7346364050
oct121370077
944166334
1021360703
111106a681
1271a1627
13456b890
142ba0727
151d1e16d
hex145f03f

21360703 has 8 divisors (see below), whose sum is σ = 26290208. Its totient is φ = 16900704.

The previous prime is 21360697. The next prime is 21360707. The reversal of 21360703 is 30706312.

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 21360703 - 25 = 21360671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21360707) 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, 117276 + ... + 117457.

It is an arithmetic number, because the mean of its divisors is an integer number (3286276).

Almost surely, 221360703 is an apocalyptic number.

21360703 is a deficient number, since it is larger than the sum of its proper divisors (4929505).

21360703 is a wasteful number, since it uses less digits than its factorization.

21360703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234753.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 21360703 is about 4621.7640571539. The cubic root of 21360703 is about 277.4630657226.

The spelling of 21360703 in words is "twenty-one million, three hundred sixty thousand, seven hundred three".

Divisors: 1 7 13 91 234733 1643131 3051529 21360703