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4989343 = 19262597
BaseRepresentation
bin10011000010000110011111
3100101111002111
4103002012133
52234124333
6254534451
760260122
oct23020637
910344074
104989343
1128a8627
121807427
131058c98
1493c3b9
156884cd
hex4c219f

4989343 has 4 divisors (see below), whose sum is σ = 5251960. Its totient is φ = 4726728.

The previous prime is 4989337. The next prime is 4989349. The reversal of 4989343 is 3439894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3439894 = 21719947.

It is an interprime number because it is at equal distance from previous prime (4989337) and next prime (4989349).

It is a cyclic number.

It is not a de Polignac number, because 4989343 - 29 = 4988831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4989296 and 4989305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989349) 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, 131280 + ... + 131317.

It is an arithmetic number, because the mean of its divisors is an integer number (1312990).

Almost surely, 24989343 is an apocalyptic number.

4989343 is a deficient number, since it is larger than the sum of its proper divisors (262617).

4989343 is a wasteful number, since it uses less digits than its factorization.

4989343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262616.

The product of its digits is 93312, while the sum is 40.

The square root of 4989343 is about 2233.6837287315. The cubic root of 4989343 is about 170.8760201610.

The spelling of 4989343 in words is "four million, nine hundred eighty-nine thousand, three hundred forty-three".

Divisors: 1 19 262597 4989343