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20411694 = 2321278929
BaseRepresentation
bin100110111011…
…1010100101110
31102102000120200
41031313110232
520211133234
62005254330
7335332212
oct115672456
942360520
1020411694
1110581676
126a043a6
1342c8934
1429d4942
151bd2d99
hex137752e

20411694 has 24 divisors (see below), whose sum is σ = 44578560. Its totient is φ = 6749568.

The previous prime is 20411689. The next prime is 20411707. The reversal of 20411694 is 49611402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2179 + ... + 6750.

It is an arithmetic number, because the mean of its divisors is an integer number (1857440).

Almost surely, 220411694 is an apocalyptic number.

20411694 is an abundant number, since it is smaller than the sum of its proper divisors (24166866).

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

20411694 is a wasteful number, since it uses less digits than its factorization.

20411694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9064 (or 9061 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20411694 is about 4517.9302783465. The cubic root of 20411694 is about 273.2916418003.

The spelling of 20411694 in words is "twenty million, four hundred eleven thousand, six hundred ninety-four".

Divisors: 1 2 3 6 9 18 127 254 381 762 1143 2286 8929 17858 26787 53574 80361 160722 1133983 2267966 3401949 6803898 10205847 20411694