Search a number
-
+
868025 = 5234721
BaseRepresentation
bin11010011111010111001
31122002201002
43103322321
5210234100
630334345
710243454
oct3237271
91562632
10868025
11543184
1235a3b5
13245132
1418849b
151222d5
hexd3eb9

868025 has 6 divisors (see below), whose sum is σ = 1076382. Its totient is φ = 694400.

The previous prime is 868019. The next prime is 868033. The reversal of 868025 is 520868.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 72361 + 795664 = 269^2 + 892^2 .

It is not a de Polignac number, because 868025 - 210 = 867001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17336 + ... + 17385.

It is an arithmetic number, because the mean of its divisors is an integer number (179397).

2868025 is an apocalyptic number.

It is an amenable number.

868025 is a deficient number, since it is larger than the sum of its proper divisors (208357).

868025 is a wasteful number, since it uses less digits than its factorization.

868025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34731 (or 34726 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 868025 is about 931.6785926488. The cubic root of 868025 is about 95.3917342568.

The spelling of 868025 in words is "eight hundred sixty-eight thousand, twenty-five".

Divisors: 1 5 25 34721 173605 868025