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2338989 = 3779663
BaseRepresentation
bin1000111011000010101101
311101211111020
420323002231
51044321424
6122044353
725611132
oct10730255
94354436
102338989
111358354
129496b9
1363b823
1444c589
15313079
hex23b0ad

2338989 has 4 divisors (see below), whose sum is σ = 3118656. Its totient is φ = 1559324.

The previous prime is 2338969. The next prime is 2338997. The reversal of 2338989 is 9898332.

2338989 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 2338989 - 29 = 2338477 is a prime.

It is a D-number.

2338989 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2338989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2338949) 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, 389829 + ... + 389834.

It is an arithmetic number, because the mean of its divisors is an integer number (779664).

22338989 is an apocalyptic number.

It is an amenable number.

2338989 is a deficient number, since it is larger than the sum of its proper divisors (779667).

2338989 is an equidigital number, since it uses as much as digits as its factorization.

2338989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779666.

The product of its digits is 93312, while the sum is 42.

The square root of 2338989 is about 1529.3753626890. The cubic root of 2338989 is about 132.7423167552.

The spelling of 2338989 in words is "two million, three hundred thirty-eight thousand, nine hundred eighty-nine".

Divisors: 1 3 779663 2338989