Search a number
-
+
20970714 = 2389173227
BaseRepresentation
bin100111111111…
…1110011011010
31110110102102010
41033333303122
520332030324
62025250350
7343151052
oct117776332
943412363
1020970714
1110923676
1270339b6
13446320b
142adc562
151c93829
hex13ffcda

20970714 has 32 divisors (see below), whose sum is σ = 42845760. Its totient is φ = 6841472.

The previous prime is 20970709. The next prime is 20970739. The reversal of 20970714 is 41707902.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92269 + ... + 92495.

It is an arithmetic number, because the mean of its divisors is an integer number (1338930).

Almost surely, 220970714 is an apocalyptic number.

20970714 is an abundant number, since it is smaller than the sum of its proper divisors (21875046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20970714 is a wasteful number, since it uses less digits than its factorization.

20970714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 20970714 is about 4579.3792155706. The cubic root of 20970714 is about 275.7641074127.

The spelling of 20970714 in words is "twenty million, nine hundred seventy thousand, seven hundred fourteen".

Divisors: 1 2 3 6 89 173 178 227 267 346 454 519 534 681 1038 1362 15397 20203 30794 39271 40406 46191 60609 78542 92382 117813 121218 235626 3495119 6990238 10485357 20970714