Search a number
-
+
3125285 = 5625057
BaseRepresentation
bin1011111011000000100101
312212210002022
423323000211
51300002120
6150552525
735364422
oct13730045
95783068
103125285
111845089
121068745
138556a7
145b4d49
1541b025
hex2fb025

3125285 has 4 divisors (see below), whose sum is σ = 3750348. Its totient is φ = 2500224.

The previous prime is 3125261. The next prime is 3125293. The reversal of 3125285 is 5825213.

3125285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 465124 + 2660161 = 682^2 + 1631^2 .

It is a cyclic number.

It is not a de Polignac number, because 3125285 - 28 = 3125029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312524 + ... + 312533.

It is an arithmetic number, because the mean of its divisors is an integer number (937587).

Almost surely, 23125285 is an apocalyptic number.

It is an amenable number.

3125285 is a deficient number, since it is larger than the sum of its proper divisors (625063).

3125285 is an equidigital number, since it uses as much as digits as its factorization.

3125285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625062.

The product of its digits is 2400, while the sum is 26.

The square root of 3125285 is about 1767.8475613016. The cubic root of 3125285 is about 146.2053312825.

The spelling of 3125285 in words is "three million, one hundred twenty-five thousand, two hundred eighty-five".

Divisors: 1 5 625057 3125285