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22541020 = 2251127051
BaseRepresentation
bin101010111111…
…1001011011100
31120102012110121
41111333023130
521232303040
62123044324
7362411155
oct125771334
946365417
1022541020
11117a6447
1276706a4
134892ba8
142dca92c
151ea3c4a
hex157f2dc

22541020 has 12 divisors (see below), whose sum is σ = 47336184. Its totient is φ = 9016400.

The previous prime is 22541017. The next prime is 22541041. The reversal of 22541020 is 2014522.

It is a junction number, because it is equal to n+sod(n) for n = 22540985 and 22541003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563506 + ... + 563545.

It is an arithmetic number, because the mean of its divisors is an integer number (3944682).

Almost surely, 222541020 is an apocalyptic number.

22541020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22541020 is an abundant number, since it is smaller than the sum of its proper divisors (24795164).

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

22541020 is a wasteful number, since it uses less digits than its factorization.

22541020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127060 (or 1127058 counting only the distinct ones).

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

The square root of 22541020 is about 4747.7384089691. The cubic root of 22541020 is about 282.4822658353.

Adding to 22541020 its reverse (2014522), we get a palindrome (24555542).

The spelling of 22541020 in words is "twenty-two million, five hundred forty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 1127051 2254102 4508204 5635255 11270510 22541020