Search a number
-
+
868425 = 35211579
BaseRepresentation
bin11010100000001001001
31122010020220
43110001021
5210242200
630340253
710244565
oct3240111
91563226
10868425
11543508
1235a689
1324537c
141886a5
151224a0
hexd4049

868425 has 12 divisors (see below), whose sum is σ = 1435920. Its totient is φ = 463120.

The previous prime is 868423. The next prime is 868451. The reversal of 868425 is 524868.

It is not a de Polignac number, because 868425 - 21 = 868423 is a prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868425.

It is not an unprimeable number, because it can be changed into a prime (868423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5715 + ... + 5864.

It is an arithmetic number, because the mean of its divisors is an integer number (119660).

2868425 is an apocalyptic number.

It is an amenable number.

868425 is a deficient number, since it is larger than the sum of its proper divisors (567495).

868425 is a wasteful number, since it uses less digits than its factorization.

868425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11592 (or 11587 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 868425 is about 931.8932342280. The cubic root of 868425 is about 95.4063846928.

Adding to 868425 its product of digits (15360), we get a triangular number (883785 = T1329).

The spelling of 868425 in words is "eight hundred sixty-eight thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 11579 34737 57895 173685 289475 868425