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201089220 = 223528111927
BaseRepresentation
bin10111111110001…
…10000011000100
3112000101101112220
423333012003010
5402434323340
631542012340
74661141643
oct1377060304
9460341486
10201089220
11a3567342
12574170b0
1332879007
141c9c735a
15129c1ed0
hexbfc60c4

201089220 has 48 divisors (see below), whose sum is σ = 565100928. Its totient is φ = 53428480.

The previous prime is 201089197. The next prime is 201089233. The reversal of 201089220 is 22980102.

201089220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10897 + ... + 22823.

It is an arithmetic number, because the mean of its divisors is an integer number (11772936).

Almost surely, 2201089220 is an apocalyptic number.

201089220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201089220 is an abundant number, since it is smaller than the sum of its proper divisors (364011708).

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

201089220 is a wasteful number, since it uses less digits than its factorization.

201089220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12220 (or 12218 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 201089220 is about 14180.5930764549. The cubic root of 201089220 is about 585.8632590666.

The spelling of 201089220 in words is "two hundred one million, eighty-nine thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 281 562 843 1124 1405 1686 2810 3372 4215 5620 8430 11927 16860 23854 35781 47708 59635 71562 119270 143124 178905 238540 357810 715620 3351487 6702974 10054461 13405948 16757435 20108922 33514870 40217844 50272305 67029740 100544610 201089220