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20934704 = 247186917
BaseRepresentation
bin100111111011…
…1000000110000
31110101121000102
41033313000300
520324402304
62024411532
7342641060
oct117670060
943347012
1020934704
11108a960a
127016ba8
13444c9cb
142acd3a0
151c87d1e
hex13f7030

20934704 has 20 divisors (see below), whose sum is σ = 46355664. Its totient is φ = 8971968.

The previous prime is 20934691. The next prime is 20934707. The reversal of 20934704 is 40743902.

It is not an unprimeable number, because it can be changed into a prime (20934707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93347 + ... + 93570.

Almost surely, 220934704 is an apocalyptic number.

It is an amenable number.

20934704 is an abundant number, since it is smaller than the sum of its proper divisors (25420960).

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

20934704 is a wasteful number, since it uses less digits than its factorization.

20934704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186932 (or 186926 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20934704 is about 4575.4457706326. The cubic root of 20934704 is about 275.6061735932.

The spelling of 20934704 in words is "twenty million, nine hundred thirty-four thousand, seven hundred four".

Divisors: 1 2 4 7 8 14 16 28 56 112 186917 373834 747668 1308419 1495336 2616838 2990672 5233676 10467352 20934704