Search a number
-
+
2505023 = 8330181
BaseRepresentation
bin1001100011100100111111
311201021020122
421203210333
51120130043
6125405155
730202163
oct11434477
94637218
102505023
111461074
12a097bb
13699281
14492ca3
15347368
hex26393f

2505023 has 4 divisors (see below), whose sum is σ = 2535288. Its totient is φ = 2474760.

The previous prime is 2505007. The next prime is 2505043. The reversal of 2505023 is 3205052.

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

It is a cyclic number.

It is not a de Polignac number, because 2505023 - 24 = 2505007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2504992 and 2505010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15008 + ... + 15173.

It is an arithmetic number, because the mean of its divisors is an integer number (633822).

22505023 is an apocalyptic number.

2505023 is a deficient number, since it is larger than the sum of its proper divisors (30265).

2505023 is an equidigital number, since it uses as much as digits as its factorization.

2505023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30264.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 2505023 is about 1582.7264450940. The cubic root of 2505023 is about 135.8117168189.

The spelling of 2505023 in words is "two million, five hundred five thousand, twenty-three".

Divisors: 1 83 30181 2505023