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206090332 = 22727132
BaseRepresentation
bin11000100100010…
…11000001011100
3112100210110210021
430102023001130
5410224342312
632241121524
75051511310
oct1422130134
9470713707
10206090332
11a6372798
12590292a4
133390a456
141d529b40
151315dc07
hexc48b05c

206090332 has 18 divisors (see below), whose sum is σ = 412332648. Its totient is φ = 88291872.

The previous prime is 206090317. The next prime is 206090377. The reversal of 206090332 is 233090602.

It is a junction number, because it is equal to n+sod(n) for n = 206090297 and 206090306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74608 + ... + 77320.

Almost surely, 2206090332 is an apocalyptic number.

It is an amenable number.

206090332 is an abundant number, since it is smaller than the sum of its proper divisors (206242316).

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

206090332 is an frugal number, since it uses more digits than its factorization.

206090332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5437 (or 2722 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 206090332 is about 14355.8466138365. The cubic root of 206090332 is about 590.6803718679.

The spelling of 206090332 in words is "two hundred six million, ninety thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 2713 5426 10852 18991 37982 75964 7360369 14720738 29441476 51522583 103045166 206090332