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4998813 = 31666271
BaseRepresentation
bin10011000100011010011101
3100101222002020
4103010122131
52234430223
6255050353
760326541
oct23043235
910358066
104998813
112904756
1218109b9
1310603a1
14941a21
1568b1e3
hex4c469d

4998813 has 4 divisors (see below), whose sum is σ = 6665088. Its totient is φ = 3332540.

The previous prime is 4998787. The next prime is 4998823. The reversal of 4998813 is 3188994.

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 4998813 - 28 = 4998557 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4998823) 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, 833133 + ... + 833138.

It is an arithmetic number, because the mean of its divisors is an integer number (1666272).

Almost surely, 24998813 is an apocalyptic number.

It is an amenable number.

4998813 is a deficient number, since it is larger than the sum of its proper divisors (1666275).

4998813 is a wasteful number, since it uses less digits than its factorization.

4998813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666274.

The product of its digits is 62208, while the sum is 42.

The square root of 4998813 is about 2235.8025404762. The cubic root of 4998813 is about 170.9840619871.

The spelling of 4998813 in words is "four million, nine hundred ninety-eight thousand, eight hundred thirteen".

Divisors: 1 3 1666271 4998813