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2268469 = 7324067
BaseRepresentation
bin1000101001110100110101
311021020202101
420221310311
51040042334
6120342101
725165420
oct10516465
94236671
102268469
11130a375
12914931
136156b8
144309b7
152ec214
hex229d35

2268469 has 4 divisors (see below), whose sum is σ = 2592544. Its totient is φ = 1944396.

The previous prime is 2268451. The next prime is 2268481. The reversal of 2268469 is 9648622.

2268469 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2268469 - 25 = 2268437 is a prime.

It is a super-2 number, since 2×22684692 = 10291903207922, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 25 + 221 + 62 + 8 + 48 + 66 + 95 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268449) by changing a digit.

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, 162027 + ... + 162040.

It is an arithmetic number, because the mean of its divisors is an integer number (648136).

22268469 is an apocalyptic number.

It is an amenable number.

2268469 is a deficient number, since it is larger than the sum of its proper divisors (324075).

2268469 is an equidigital number, since it uses as much as digits as its factorization.

2268469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324074.

The product of its digits is 41472, while the sum is 37.

The square root of 2268469 is about 1506.1437514394. The cubic root of 2268469 is about 131.3946299855.

The spelling of 2268469 in words is "two million, two hundred sixty-eight thousand, four hundred sixty-nine".

Divisors: 1 7 324067 2268469