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2280325 = 52531721
BaseRepresentation
bin1000101100101110000101
311021212000111
420230232011
51040432300
6120513021
725245115
oct10545605
94255014
102280325
111318273
1291b771
1361ac08
14435045
153009ba
hex22cb85

2280325 has 12 divisors (see below), whose sum is σ = 2882628. Its totient is φ = 1788800.

The previous prime is 2280319. The next prime is 2280331. The reversal of 2280325 is 5230822.

It is an interprime number because it is at equal distance from previous prime (2280319) and next prime (2280331).

It can be written as a sum of positive squares in 6 ways, for example, as 21316 + 2259009 = 146^2 + 1503^2 .

It is not a de Polignac number, because 2280325 - 25 = 2280293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2280296 and 2280305.

It is a congruent number.

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, 465 + ... + 2185.

It is an arithmetic number, because the mean of its divisors is an integer number (240219).

22280325 is an apocalyptic number.

2280325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2280325 is a deficient number, since it is larger than the sum of its proper divisors (602303).

2280325 is a wasteful number, since it uses less digits than its factorization.

2280325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784 (or 1779 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2280325 is about 1510.0745014734. The cubic root of 2280325 is about 131.6231407341.

It can be divided in two parts, 22803 and 25, that multiplied together give a palindrome (570075).

The spelling of 2280325 in words is "two million, two hundred eighty thousand, three hundred twenty-five".

Divisors: 1 5 25 53 265 1325 1721 8605 43025 91213 456065 2280325