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289794395 = 5112478999
BaseRepresentation
bin10001010001011…
…110100101011011
3202012022002011202
4101101132211123
51043141410040
644431144415
710116132422
oct2121364533
9665262152
10289794395
11139643900
128107510b
1348066797
142a6b82b9
151a695015
hex1145e95b

289794395 has 12 divisors (see below), whose sum is σ = 382242000. Its totient is φ = 210759120.

The previous prime is 289794389. The next prime is 289794443. The reversal of 289794395 is 593497982.

It is not a de Polignac number, because 289794395 - 26 = 289794331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 289794395.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238895 + ... + 240104.

It is an arithmetic number, because the mean of its divisors is an integer number (31853500).

Almost surely, 2289794395 is an apocalyptic number.

289794395 is a deficient number, since it is larger than the sum of its proper divisors (92447605).

289794395 is a wasteful number, since it uses less digits than its factorization.

289794395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479026 (or 479015 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 56.

The square root of 289794395 is about 17023.3485248937. The cubic root of 289794395 is about 661.7541300867.

The spelling of 289794395 in words is "two hundred eighty-nine million, seven hundred ninety-four thousand, three hundred ninety-five".

Divisors: 1 5 11 55 121 605 478999 2394995 5268989 26344945 57958879 289794395