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289282386 = 23428311257
BaseRepresentation
bin10001001111100…
…001100101010010
3202011100001211110
4101033201211102
51043024014021
644412154150
710111600611
oct2117414522
9664301743
10289282386
11139324158
1280a68956
1347c17713
142a5c3878
151a5e3476
hex113e1952

289282386 has 16 divisors (see below), whose sum is σ = 578751264. Its totient is φ = 96396384.

The previous prime is 289282381. The next prime is 289282393. The reversal of 289282386 is 683282982.

It is not an unprimeable number, because it can be changed into a prime (289282381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20070 + ... + 31326.

It is an arithmetic number, because the mean of its divisors is an integer number (36171954).

Almost surely, 2289282386 is an apocalyptic number.

289282386 is an abundant number, since it is smaller than the sum of its proper divisors (289468878).

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

289282386 is a wasteful number, since it uses less digits than its factorization.

289282386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15545.

The product of its digits is 663552, while the sum is 48.

The square root of 289282386 is about 17008.3034427306. The cubic root of 289282386 is about 661.3641710707.

The spelling of 289282386 in words is "two hundred eighty-nine million, two hundred eighty-two thousand, three hundred eighty-six".

Divisors: 1 2 3 6 4283 8566 11257 12849 22514 25698 33771 67542 48213731 96427462 144641193 289282386