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4809993 = 31603331
BaseRepresentation
bin10010010110010100001001
3100001101001220
4102112110021
52212404433
6251032253
755612206
oct22262411
910041056
104809993
112795901
12173b689
13cc5466
148d2cad
156502b3
hex496509

4809993 has 4 divisors (see below), whose sum is σ = 6413328. Its totient is φ = 3206660.

The previous prime is 4809977. The next prime is 4810019. The reversal of 4809993 is 3999084.

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 4809993 - 24 = 4809977 is a prime.

It is a super-3 number, since 3×48099933 (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4809943) 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, 801663 + ... + 801668.

It is an arithmetic number, because the mean of its divisors is an integer number (1603332).

Almost surely, 24809993 is an apocalyptic number.

It is an amenable number.

4809993 is a deficient number, since it is larger than the sum of its proper divisors (1603335).

4809993 is a wasteful number, since it uses less digits than its factorization.

4809993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603334.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 4809993 is about 2193.1696240829. The cubic root of 4809993 is about 168.8035133438.

The spelling of 4809993 in words is "four million, eight hundred nine thousand, nine hundred ninety-three".

Divisors: 1 3 1603331 4809993