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5149817 = 19271043
BaseRepresentation
bin10011101001010001111001
3100200122012222
4103221101321
52304243232
6302213425
761526021
oct23512171
910618188
105149817
1129a8152
121884275
1310b403a
14980a81
156bad12
hex4e9479

5149817 has 4 divisors (see below), whose sum is σ = 5420880. Its totient is φ = 4878756.

The previous prime is 5149801. The next prime is 5149829. The reversal of 5149817 is 7189415.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7189415 = 51437883.

It is a cyclic number.

It is not a de Polignac number, because 5149817 - 24 = 5149801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5149847) 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, 135503 + ... + 135540.

It is an arithmetic number, because the mean of its divisors is an integer number (1355220).

Almost surely, 25149817 is an apocalyptic number.

It is an amenable number.

5149817 is a deficient number, since it is larger than the sum of its proper divisors (271063).

5149817 is a wasteful number, since it uses less digits than its factorization.

5149817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271062.

The product of its digits is 10080, while the sum is 35.

The square root of 5149817 is about 2269.3208235065. The cubic root of 5149817 is about 172.6887047860.

It can be divided in two parts, 51498 and 17, that added together give a palindrome (51515).

The spelling of 5149817 in words is "five million, one hundred forty-nine thousand, eight hundred seventeen".

Divisors: 1 19 271043 5149817