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289613008 = 24130113913
BaseRepresentation
bin10001010000110…
…010010011010000
3202011221212100201
4101100302103100
51043120104013
644423224544
710114445536
oct2120622320
9664855321
10289613008
1113952a5a3
1280ba8154
1348002059
142a66c156
151a65b3dd
hex114324d0

289613008 has 20 divisors (see below), whose sum is σ = 561596868. Its totient is φ = 144684800.

The previous prime is 289612993. The next prime is 289613039. The reversal of 289613008 is 800316982.

It can be written as a sum of positive squares in 2 ways, for example, as 63170704 + 226442304 = 7948^2 + 15048^2 .

289613008 is a modest number, since divided by 13008 gives 2896 as remainder.

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, 13860 + ... + 27772.

Almost surely, 2289613008 is an apocalyptic number.

It is an amenable number.

289613008 is a deficient number, since it is larger than the sum of its proper divisors (271983860).

289613008 is a wasteful number, since it uses less digits than its factorization.

289613008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15222 (or 15216 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 289613008 is about 17018.0200963567. The cubic root of 289613008 is about 661.6160337319.

The spelling of 289613008 in words is "two hundred eighty-nine million, six hundred thirteen thousand, eight".

Divisors: 1 2 4 8 16 1301 2602 5204 10408 13913 20816 27826 55652 111304 222608 18100813 36201626 72403252 144806504 289613008