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289382294 = 2144691147
BaseRepresentation
bin10001001111111…
…001111110010110
3202011112010212202
4101033321332112
51043040213134
644414244502
710112465105
oct2117717626
9664463782
10289382294
11139392223
1280ab6732
1347c51036
142a60c03c
151a612d7e
hex113f9f96

289382294 has 4 divisors (see below), whose sum is σ = 434073444. Its totient is φ = 144691146.

The previous prime is 289382281. The next prime is 289382309. The reversal of 289382294 is 492283982.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2893822942 = 167484224161404872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72345572 + ... + 72345575.

It is an arithmetic number, because the mean of its divisors is an integer number (108518361).

Almost surely, 2289382294 is an apocalyptic number.

289382294 is a deficient number, since it is larger than the sum of its proper divisors (144691150).

289382294 is a wasteful number, since it uses less digits than its factorization.

289382294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144691149.

The product of its digits is 497664, while the sum is 47.

The square root of 289382294 is about 17011.2402252158. The cubic root of 289382294 is about 661.4402996444.

The spelling of 289382294 in words is "two hundred eighty-nine million, three hundred eighty-two thousand, two hundred ninety-four".

Divisors: 1 2 144691147 289382294