Search a number
-
+
2265481 = 2399479
BaseRepresentation
bin1000101001000110001001
311021002122201
420221012021
51034443411
6120320201
725153621
oct10510611
94232581
102265481
1113080a9
12913061
1361422a
1442d881
152eb3c1
hex229189

2265481 has 4 divisors (see below), whose sum is σ = 2275200. Its totient is φ = 2255764.

The previous prime is 2265469. The next prime is 2265493. The reversal of 2265481 is 1845622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2265469) and next prime (2265493).

It is a cyclic number.

It is not a de Polignac number, because 2265481 - 211 = 2263433 is a prime.

It is a super-2 number, since 2×22654812 = 10264808322722, which contains 22 as substring.

It is a Duffinian number.

2265481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2265421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4501 + ... + 4978.

It is an arithmetic number, because the mean of its divisors is an integer number (568800).

22265481 is an apocalyptic number.

It is an amenable number.

2265481 is a deficient number, since it is larger than the sum of its proper divisors (9719).

2265481 is an equidigital number, since it uses as much as digits as its factorization.

2265481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9718.

The product of its digits is 3840, while the sum is 28.

The square root of 2265481 is about 1505.1514873925. The cubic root of 2265481 is about 131.3369141634.

The spelling of 2265481 in words is "two million, two hundred sixty-five thousand, four hundred eighty-one".

Divisors: 1 239 9479 2265481