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289214222 = 21189147709
BaseRepresentation
bin10001001111010…
…000111100001110
3202011012121022212
4101033100330032
51043014323342
644410510422
710111165103
oct2117207416
9664177285
10289214222
11139287a20
1280a35412
1347bc269b
142a5a6aaa
151a5cd182
hex113d0f0e

289214222 has 16 divisors (see below), whose sum is σ = 478580400. Its totient is φ = 129983040.

The previous prime is 289214209. The next prime is 289214227. The reversal of 289214222 is 222412982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289214227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71897 + ... + 75812.

It is an arithmetic number, because the mean of its divisors is an integer number (29911275).

Almost surely, 2289214222 is an apocalyptic number.

289214222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

289214222 is a deficient number, since it is larger than the sum of its proper divisors (189366178).

289214222 is a wasteful number, since it uses less digits than its factorization.

289214222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147811.

The product of its digits is 9216, while the sum is 32.

The square root of 289214222 is about 17006.2994798986. The cubic root of 289214222 is about 661.3122209453.

The spelling of 289214222 in words is "two hundred eighty-nine million, two hundred fourteen thousand, two hundred twenty-two".

Divisors: 1 2 11 22 89 178 979 1958 147709 295418 1624799 3249598 13146101 26292202 144607111 289214222