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189280206 = 2333505189
BaseRepresentation
bin10110100100000…
…10111111001110
3111012011102122000
423102002333032
5341423431311
630440533130
74455566223
oct1322027716
9435142560
10189280206
1197931025
12534811a6
13302a2c2b
141b1d194a
151193d056
hexb482fce

189280206 has 16 divisors (see below), whose sum is σ = 420622800. Its totient is φ = 63093384.

The previous prime is 189280183. The next prime is 189280241. The reversal of 189280206 is 602082981.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1752541 + ... + 1752648.

It is an arithmetic number, because the mean of its divisors is an integer number (26288925).

Almost surely, 2189280206 is an apocalyptic number.

189280206 is an abundant number, since it is smaller than the sum of its proper divisors (231342594).

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

189280206 is a wasteful number, since it uses less digits than its factorization.

189280206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505200 (or 3505194 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 189280206 is about 13757.9143041378. The cubic root of 189280206 is about 574.1628205034.

The spelling of 189280206 in words is "one hundred eighty-nine million, two hundred eighty thousand, two hundred six".

Divisors: 1 2 3 6 9 18 27 54 3505189 7010378 10515567 21031134 31546701 63093402 94640103 189280206