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2248865 = 5449773
BaseRepresentation
bin1000100101000010100001
311020020212022
420211002201
51033430430
6120111225
725054313
oct10450241
94206768
102248865
1112a6673
12905515
136097b8
144277b3
152e64e5
hex2250a1

2248865 has 4 divisors (see below), whose sum is σ = 2698644. Its totient is φ = 1799088.

The previous prime is 2248861. The next prime is 2248867. The reversal of 2248865 is 5688422.

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 1032256 + 1216609 = 1016^2 + 1103^2 .

It is a cyclic number.

It is not a de Polignac number, because 2248865 - 22 = 2248861 is a prime.

It is a d-powerful number, because it can be written as 216 + 216 + 47 + 84 + 87 + 62 + 53 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2248861) 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 3 ways as a sum of consecutive naturals, for example, 224882 + ... + 224891.

It is an arithmetic number, because the mean of its divisors is an integer number (674661).

22248865 is an apocalyptic number.

It is an amenable number.

2248865 is a deficient number, since it is larger than the sum of its proper divisors (449779).

2248865 is an equidigital number, since it uses as much as digits as its factorization.

2248865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449778.

The product of its digits is 30720, while the sum is 35.

The square root of 2248865 is about 1499.6216189426. The cubic root of 2248865 is about 131.0150323639.

It can be divided in two parts, 2248 and 865, that added together give a palindrome (3113).

The spelling of 2248865 in words is "two million, two hundred forty-eight thousand, eight hundred sixty-five".

Divisors: 1 5 449773 2248865