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20994462 = 2321166359
BaseRepresentation
bin101000000010…
…1100110011110
31110111121222200
41100011212132
520333310322
62025552330
7343310226
oct120054636
943447880
1020994462
111093a4a5
1270456a6
134470c78
142b07086
151c9a8ac
hex140599e

20994462 has 12 divisors (see below), whose sum is σ = 45488040. Its totient is φ = 6998148.

The previous prime is 20994451. The next prime is 20994509. The reversal of 20994462 is 26449902.

20994462 is a `hidden beast` number, since 209 + 9 + 446 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583162 + ... + 583197.

It is an arithmetic number, because the mean of its divisors is an integer number (3790670).

Almost surely, 220994462 is an apocalyptic number.

20994462 is an abundant number, since it is smaller than the sum of its proper divisors (24493578).

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

20994462 is a wasteful number, since it uses less digits than its factorization.

20994462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166367 (or 1166364 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 20994462 is about 4581.9714097755. The cubic root of 20994462 is about 275.8681632486.

It can be divided in two parts, 2099 and 4462, that added together give a 8-th power (6561 = 38).

The spelling of 20994462 in words is "twenty million, nine hundred ninety-four thousand, four hundred sixty-two".

Divisors: 1 2 3 6 9 18 1166359 2332718 3499077 6998154 10497231 20994462