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22120054 = 2111005457
BaseRepresentation
bin101010001100…
…0011001110110
31112121211000021
41110120121312
521130320204
62110035354
7356005645
oct124303166
945554007
1022120054
1111539140
1274a8b5a
1347763b8
142d1b35c
151e1e154
hex1518676

22120054 has 8 divisors (see below), whose sum is σ = 36196488. Its totient is φ = 10054560.

The previous prime is 22120031. The next prime is 22120057. The reversal of 22120054 is 45002122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120057) 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, 502707 + ... + 502750.

It is an arithmetic number, because the mean of its divisors is an integer number (4524561).

Almost surely, 222120054 is an apocalyptic number.

22120054 is a deficient number, since it is larger than the sum of its proper divisors (14076434).

22120054 is a wasteful number, since it uses less digits than its factorization.

22120054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005470.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 22120054 is about 4703.1961473024. The cubic root of 22120054 is about 280.7126996925.

Adding to 22120054 its reverse (45002122), we get a palindrome (67122176).

The spelling of 22120054 in words is "twenty-two million, one hundred twenty thousand, fifty-four".

Divisors: 1 2 11 22 1005457 2010914 11060027 22120054