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4304989 = 13331153
BaseRepresentation
bin10000011011000001011101
322002201100001
4100123001131
52100224424
6232134301
751406663
oct20330135
98081301
104304989
112480447
121537391
13b79640
14800c33
155a0844
hex41b05d

4304989 has 4 divisors (see below), whose sum is σ = 4636156. Its totient is φ = 3973824.

The previous prime is 4304981. The next prime is 4304999. The reversal of 4304989 is 9894034.

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 2528100 + 1776889 = 1590^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 4304989 - 23 = 4304981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4304981) 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, 165564 + ... + 165589.

It is an arithmetic number, because the mean of its divisors is an integer number (1159039).

Almost surely, 24304989 is an apocalyptic number.

It is an amenable number.

4304989 is a deficient number, since it is larger than the sum of its proper divisors (331167).

4304989 is a wasteful number, since it uses less digits than its factorization.

4304989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331166.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 4304989 is about 2074.8467413281. The cubic root of 4304989 is about 162.6761986225.

The spelling of 4304989 in words is "four million, three hundred four thousand, nine hundred eighty-nine".

Divisors: 1 13 331153 4304989