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289294125 = 3531136827
BaseRepresentation
bin10001001111100…
…100011100101101
3202011100122221020
4101033210130231
51043024403000
644412324353
710111650051
oct2117443455
9664318836
10289294125
11139331a5a
1280a736b9
1347c1cb73
142a5c7c61
151a5e6ba0
hex113e472d

289294125 has 32 divisors (see below), whose sum is σ = 485716608. Its totient is φ = 152902400.

The previous prime is 289294123. The next prime is 289294177. The reversal of 289294125 is 521492982.

It is a happy number.

It is not a de Polignac number, because 289294125 - 21 = 289294123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289294121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38962 + ... + 45788.

It is an arithmetic number, because the mean of its divisors is an integer number (15178644).

Almost surely, 2289294125 is an apocalyptic number.

289294125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

289294125 is a deficient number, since it is larger than the sum of its proper divisors (196422483).

289294125 is a wasteful number, since it uses less digits than its factorization.

289294125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6958 (or 6948 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 289294125 is about 17008.6485353775. The cubic root of 289294125 is about 661.3731169420.

The spelling of 289294125 in words is "two hundred eighty-nine million, two hundred ninety-four thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 113 125 339 375 565 1695 2825 6827 8475 14125 20481 34135 42375 102405 170675 512025 771451 853375 2314353 2560125 3857255 11571765 19286275 57858825 96431375 289294125