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289025008 = 2489202967
BaseRepresentation
bin10001001110100…
…010101111110000
3202010211222202221
4101032202233300
51042442300013
644402450424
710106446336
oct2116425760
9663758687
10289025008
11139168848
1280963a14
1347b5751c
142a557b56
151a59208d
hex113a2bf0

289025008 has 20 divisors (see below), whose sum is σ = 566280720. Its totient is φ = 142888064.

The previous prime is 289024993. The next prime is 289025029. The reversal of 289025008 is 800520982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100060 + ... + 102907.

It is an arithmetic number, because the mean of its divisors is an integer number (28314036).

Almost surely, 2289025008 is an apocalyptic number.

It is an amenable number.

289025008 is a deficient number, since it is larger than the sum of its proper divisors (277255712).

289025008 is a wasteful number, since it uses less digits than its factorization.

289025008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203064 (or 203058 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 289025008 is about 17000.7355135006. The cubic root of 289025008 is about 661.1679716668.

The spelling of 289025008 in words is "two hundred eighty-nine million, twenty-five thousand, eight".

Divisors: 1 2 4 8 16 89 178 356 712 1424 202967 405934 811868 1623736 3247472 18064063 36128126 72256252 144512504 289025008