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20994102 = 2321995861
BaseRepresentation
bin101000000010…
…1100000110110
31110111121111100
41100011200312
520333302402
62025550530
7343306203
oct120054066
943447440
1020994102
111093a1a8
127045446
134470a5c
142b06caa
151c9a71c
hex1405836

20994102 has 24 divisors (see below), whose sum is σ = 45723600. Its totient is φ = 6961680.

The previous prime is 20994097. The next prime is 20994109. The reversal of 20994102 is 20149902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20994109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 652 + ... + 6512.

It is an arithmetic number, because the mean of its divisors is an integer number (1905150).

Almost surely, 220994102 is an apocalyptic number.

20994102 is an abundant number, since it is smaller than the sum of its proper divisors (24729498).

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

20994102 is a wasteful number, since it uses less digits than its factorization.

20994102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068 (or 6065 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 20994102 is about 4581.9321252066. The cubic root of 20994102 is about 275.8665864343.

The spelling of 20994102 in words is "twenty million, nine hundred ninety-four thousand, one hundred two".

Divisors: 1 2 3 6 9 18 199 398 597 1194 1791 3582 5861 11722 17583 35166 52749 105498 1166339 2332678 3499017 6998034 10497051 20994102