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889130225 = 5235565209
BaseRepresentation
bin110100111111110…
…000110011110001
32021222001111101002
4310333300303301
53310104131400
6224121051345
731014324254
oct6477606361
92258044332
10889130225
11416988775
12209926b55
1311228bc79
148612b09b
15530d0ed5
hex34ff0cf1

889130225 has 6 divisors (see below), whose sum is σ = 1102521510. Its totient is φ = 711304160.

The previous prime is 889130219. The next prime is 889130237. The reversal of 889130225 is 522031988.

It can be written as a sum of positive squares in 3 ways, for example, as 139027681 + 750102544 = 11791^2 + 27388^2 .

It is not a de Polignac number, because 889130225 - 210 = 889129201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17782580 + ... + 17782629.

It is an arithmetic number, because the mean of its divisors is an integer number (183753585).

Almost surely, 2889130225 is an apocalyptic number.

It is an amenable number.

889130225 is a deficient number, since it is larger than the sum of its proper divisors (213391285).

889130225 is a wasteful number, since it uses less digits than its factorization.

889130225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35565219 (or 35565214 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 889130225 is about 29818.2867549428. The cubic root of 889130225 is about 961.5867223900.

The spelling of 889130225 in words is "eight hundred eighty-nine million, one hundred thirty thousand, two hundred twenty-five".

Divisors: 1 5 25 35565209 177826045 889130225