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2864486825 = 52176739969
BaseRepresentation
bin1010101010111100…
…1001100110101001
321101122001000012122
42222233021212221
521331302034300
61152123521025
7130661510354
oct25257114651
97348030178
102864486825
11123aa23392
1267b389175
133685b8525
141d260d29b
1511b726c85
hexaabc99a9

2864486825 has 12 divisors (see below), whose sum is σ = 3760903260. Its totient is φ = 2156789760.

The previous prime is 2864486789. The next prime is 2864486827. The reversal of 2864486825 is 5286844682.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 102353689 + 2762133136 = 10117^2 + 52556^2 .

It is not a de Polignac number, because 2864486825 - 212 = 2864482729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2864486827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3369560 + ... + 3370409.

It is an arithmetic number, because the mean of its divisors is an integer number (313408605).

Almost surely, 22864486825 is an apocalyptic number.

2864486825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2864486825 is a deficient number, since it is larger than the sum of its proper divisors (896416435).

2864486825 is a wasteful number, since it uses less digits than its factorization.

2864486825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6739996 (or 6739991 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 53.

The square root of 2864486825 is about 53520.9008238837. The cubic root of 2864486825 is about 1420.1981514461.

The spelling of 2864486825 in words is "two billion, eight hundred sixty-four million, four hundred eighty-six thousand, eight hundred twenty-five".

Divisors: 1 5 17 25 85 425 6739969 33699845 114579473 168499225 572897365 2864486825