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5019247 = 25119997
BaseRepresentation
bin10011001001011001101111
3100110000010001
4103021121233
52241103442
6255325131
760443242
oct23113157
910400101
105019247
112919042
1218207a7
13106978c
14949259
156922b7
hex4c966f

5019247 has 4 divisors (see below), whose sum is σ = 5039496. Its totient is φ = 4999000.

The previous prime is 5019227. The next prime is 5019251. The reversal of 5019247 is 7429105.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7429105 = 51485821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5019247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5019227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9748 + ... + 10249.

It is an arithmetic number, because the mean of its divisors is an integer number (1259874).

Almost surely, 25019247 is an apocalyptic number.

5019247 is a deficient number, since it is larger than the sum of its proper divisors (20249).

5019247 is a wasteful number, since it uses less digits than its factorization.

5019247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20248.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 5019247 is about 2240.3676037651. The cubic root of 5019247 is about 171.2167264461.

The spelling of 5019247 in words is "five million, nineteen thousand, two hundred forty-seven".

Divisors: 1 251 19997 5019247