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889117073 = 1368393621
BaseRepresentation
bin110100111111101…
…101100110010001
32021222000211022222
4310333231212101
53310103221243
6224120510425
731014241025
oct6477554621
92258024288
10889117073
114169798a9
1220991b415
13112285ca0
1486126385
15530cc168
hex34fed991

889117073 has 4 divisors (see below), whose sum is σ = 957510708. Its totient is φ = 820723440.

The previous prime is 889117037. The next prime is 889117087. The reversal of 889117073 is 370711988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 432140944 + 456976129 = 20788^2 + 21377^2 .

It is a cyclic number.

It is not a de Polignac number, because 889117073 - 210 = 889116049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889117013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34196798 + ... + 34196823.

It is an arithmetic number, because the mean of its divisors is an integer number (239377677).

Almost surely, 2889117073 is an apocalyptic number.

It is an amenable number.

889117073 is a deficient number, since it is larger than the sum of its proper divisors (68393635).

889117073 is a wasteful number, since it uses less digits than its factorization.

889117073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68393634.

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 889117073 is about 29818.0662183180. The cubic root of 889117073 is about 961.5819811082.

The spelling of 889117073 in words is "eight hundred eighty-nine million, one hundred seventeen thousand, seventy-three".

Divisors: 1 13 68393621 889117073