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5019019 = 6182279
BaseRepresentation
bin10011001001010110001011
3100102222210121
4103021112023
52241102034
6255324111
760442465
oct23112613
910388717
105019019
112918955
121820637
131069645
14949135
156921b4
hex4c958b

5019019 has 4 divisors (see below), whose sum is σ = 5101360. Its totient is φ = 4936680.

The previous prime is 5019017. The next prime is 5019023. The reversal of 5019019 is 9109105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9109105 = 51821821.

It is a cyclic number.

It is not a de Polignac number, because 5019019 - 21 = 5019017 is a prime.

It is a super-2 number, since 2×50190192 = 50381103444722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5018984 and 5019002.

It is not an unprimeable number, because it can be changed into a prime (5019017) 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, 41079 + ... + 41200.

It is an arithmetic number, because the mean of its divisors is an integer number (1275340).

Almost surely, 25019019 is an apocalyptic number.

5019019 is a deficient number, since it is larger than the sum of its proper divisors (82341).

5019019 is an equidigital number, since it uses as much as digits as its factorization.

5019019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82340.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 5019019 is about 2240.3167186806. The cubic root of 5019019 is about 171.2141338922.

The spelling of 5019019 in words is "five million, nineteen thousand, nineteen".

Divisors: 1 61 82279 5019019