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4492889 = 23195343
BaseRepresentation
bin10001001000111001011001
322110021002022
4101020321121
52122233024
6240144225
753121542
oct21107131
98407068
104492889
112599635
121608075
13c1401b
1484d4c9
155db35e
hex448e59

4492889 has 4 divisors (see below), whose sum is σ = 4688256. Its totient is φ = 4297524.

The previous prime is 4492877. The next prime is 4492919. The reversal of 4492889 is 9882944.

It is a happy number.

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 4492889 - 28 = 4492633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4492289) 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, 97649 + ... + 97694.

It is an arithmetic number, because the mean of its divisors is an integer number (1172064).

Almost surely, 24492889 is an apocalyptic number.

It is an amenable number.

4492889 is a deficient number, since it is larger than the sum of its proper divisors (195367).

4492889 is a wasteful number, since it uses less digits than its factorization.

4492889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195366.

The product of its digits is 165888, while the sum is 44.

The square root of 4492889 is about 2119.6436021181. The cubic root of 4492889 is about 165.0093536173.

The spelling of 4492889 in words is "four million, four hundred ninety-two thousand, eight hundred eighty-nine".

Divisors: 1 23 195343 4492889