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289634272 = 259051071
BaseRepresentation
bin10001010000110…
…111011111100000
3202011222221112021
4101100313133200
51043121244042
644423511224
710114564534
oct2120673740
9664887467
10289634272
11139544574
1280bb8514
134800b935
142a675bc4
151a662867
hex114377e0

289634272 has 12 divisors (see below), whose sum is σ = 570217536. Its totient is φ = 144817120.

The previous prime is 289634269. The next prime is 289634297. The reversal of 289634272 is 272436982.

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, 4525504 + ... + 4525567.

It is an arithmetic number, because the mean of its divisors is an integer number (47518128).

Almost surely, 2289634272 is an apocalyptic number.

It is an amenable number.

289634272 is a deficient number, since it is larger than the sum of its proper divisors (280583264).

289634272 is an equidigital number, since it uses as much as digits as its factorization.

289634272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9051081 (or 9051073 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 289634272 is about 17018.6448344162. The cubic root of 289634272 is about 661.6322257521.

The spelling of 289634272 in words is "two hundred eighty-nine million, six hundred thirty-four thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 9051071 18102142 36204284 72408568 144817136 289634272