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2022140 = 225101107
BaseRepresentation
bin111101101101011111100
310210201212002
413231223330
51004202030
6111201432
723121311
oct7555374
93721762
102022140
11116129a
12816278
1355a543
143a8d08
1529e245
hex1edafc

2022140 has 12 divisors (see below), whose sum is σ = 4246536. Its totient is φ = 808848.

The previous prime is 2022103. The next prime is 2022149. The reversal of 2022140 is 412202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022149) 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, 50534 + ... + 50573.

It is an arithmetic number, because the mean of its divisors is an integer number (353878).

22022140 is an apocalyptic number.

2022140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022140 is an abundant number, since it is smaller than the sum of its proper divisors (2224396).

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

2022140 is a wasteful number, since it uses less digits than its factorization.

2022140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101116 (or 101114 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2022140 is about 1422.0196904403. The cubic root of 2022140 is about 126.4553108090.

Adding to 2022140 its reverse (412202), we get a palindrome (2434342).

The spelling of 2022140 in words is "two million, twenty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 101107 202214 404428 505535 1011070 2022140