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22020684 = 2237262151
BaseRepresentation
bin101010000000…
…0001001001100
31112102202200220
41110000021030
521114130214
62103551340
7355113150
oct124001114
945382626
1022020684
1111480514
12745b550
1347400ba
142cd3060
151dee9a9
hex150024c

22020684 has 24 divisors (see below), whose sum is σ = 58722048. Its totient is φ = 6291600.

The previous prime is 22020673. The next prime is 22020703. The reversal of 22020684 is 48602022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130992 + ... + 131159.

It is an arithmetic number, because the mean of its divisors is an integer number (2446752).

Almost surely, 222020684 is an apocalyptic number.

It is an amenable number.

22020684 is an abundant number, since it is smaller than the sum of its proper divisors (36701364).

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

22020684 is a wasteful number, since it uses less digits than its factorization.

22020684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262165 (or 262163 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 22020684 is about 4692.6201636186. The cubic root of 22020684 is about 280.2917197739.

The spelling of 22020684 in words is "twenty-two million, twenty thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 262151 524302 786453 1048604 1572906 1835057 3145812 3670114 5505171 7340228 11010342 22020684