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4489293 = 31496431
BaseRepresentation
bin10001001000000001001101
322110002011010
4101020001031
52122124133
6240115433
753105214
oct21100115
98402133
104489293
112596966
121605b79
13c124b3
1484c07b
155da263
hex44804d

4489293 has 4 divisors (see below), whose sum is σ = 5985728. Its totient is φ = 2992860.

The previous prime is 4489291. The next prime is 4489297. The reversal of 4489293 is 3929844.

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 4489293 - 21 = 4489291 is a prime.

It is a d-powerful number, because it can be written as 49 + 411 + 85 + 9 + 25 + 9 + 33 .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489291) 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, 748213 + ... + 748218.

It is an arithmetic number, because the mean of its divisors is an integer number (1496432).

Almost surely, 24489293 is an apocalyptic number.

It is an amenable number.

4489293 is a deficient number, since it is larger than the sum of its proper divisors (1496435).

4489293 is a wasteful number, since it uses less digits than its factorization.

4489293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496434.

The product of its digits is 62208, while the sum is 39.

The square root of 4489293 is about 2118.7951765095. The cubic root of 4489293 is about 164.9653186980.

The spelling of 4489293 in words is "four million, four hundred eighty-nine thousand, two hundred ninety-three".

Divisors: 1 3 1496431 4489293