Search a number
-
+
84850025 = 5213261077
BaseRepresentation
bin1010000111010…
…11010101101001
312220122211100112
411003223111221
5133210200100
612230344105
72050133111
oct503532551
9186584315
1084850025
1143994097
12244bb035
131476ab20
14b3aa041
1576b0b35
hex50eb569

84850025 has 12 divisors (see below), whose sum is σ = 113307852. Its totient is φ = 62658240.

The previous prime is 84850001. The next prime is 84850039. The reversal of 84850025 is 52005848.

It can be written as a sum of positive squares in 6 ways, for example, as 595984 + 84254041 = 772^2 + 9179^2 .

It is not a de Polignac number, because 84850025 - 222 = 80655721 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84849973 and 84850000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130214 + ... + 130863.

It is an arithmetic number, because the mean of its divisors is an integer number (9442321).

Almost surely, 284850025 is an apocalyptic number.

It is an amenable number.

84850025 is a deficient number, since it is larger than the sum of its proper divisors (28457827).

84850025 is a wasteful number, since it uses less digits than its factorization.

84850025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261100 (or 261095 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 84850025 is about 9211.4073300446. The cubic root of 84850025 is about 439.4242210445.

The spelling of 84850025 in words is "eighty-four million, eight hundred fifty thousand, twenty-five".

Divisors: 1 5 13 25 65 325 261077 1305385 3394001 6526925 16970005 84850025