[go: up one dir, main page]

Search a number
-
+
2223489 = 3741163
BaseRepresentation
bin1000011110110110000001
311011222001110
420132312001
51032122424
6115353533
724620322
oct10366601
94158043
102223489
1112895a4
128b28a9
135cb098
1441c449
152ddc29
hex21ed81

2223489 has 4 divisors (see below), whose sum is σ = 2964656. Its totient is φ = 1482324.

The previous prime is 2223469. The next prime is 2223493. The reversal of 2223489 is 9843222.

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 not a de Polignac number, because 2223489 - 25 = 2223457 is a prime.

It is a D-number.

It is a Duffinian number.

2223489 is a lucky number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2223449) 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, 370579 + ... + 370584.

It is an arithmetic number, because the mean of its divisors is an integer number (741164).

22223489 is an apocalyptic number.

It is an amenable number.

2223489 is a deficient number, since it is larger than the sum of its proper divisors (741167).

2223489 is an equidigital number, since it uses as much as digits as its factorization.

2223489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741166.

The product of its digits is 6912, while the sum is 30.

The square root of 2223489 is about 1491.1368146485. The cubic root of 2223489 is about 130.5203796654.

The spelling of 2223489 in words is "two million, two hundred twenty-three thousand, four hundred eighty-nine".

Divisors: 1 3 741163 2223489