Search a number
-
+
20934204 = 2231744517
BaseRepresentation
bin100111111011…
…0111000111100
31110101120022220
41033312320330
520324343304
62024405340
7342636444
oct117667074
943346286
1020934204
11108a91a5
127016850
13444c705
142acd124
151c87ad9
hex13f6e3c

20934204 has 12 divisors (see below), whose sum is σ = 48846504. Its totient is φ = 6978064.

The previous prime is 20934197. The next prime is 20934233. The reversal of 20934204 is 40243902.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×209342042 = 876481794227232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872247 + ... + 872270.

It is an arithmetic number, because the mean of its divisors is an integer number (4070542).

Almost surely, 220934204 is an apocalyptic number.

It is an amenable number.

20934204 is an abundant number, since it is smaller than the sum of its proper divisors (27912300).

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

20934204 is a wasteful number, since it uses less digits than its factorization.

20934204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744524 (or 1744522 counting only the distinct ones).

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

The square root of 20934204 is about 4575.3911308215. The cubic root of 20934204 is about 275.6039794028.

The spelling of 20934204 in words is "twenty million, nine hundred thirty-four thousand, two hundred four".

Divisors: 1 2 3 4 6 12 1744517 3489034 5233551 6978068 10467102 20934204