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5139817 = 12740471
BaseRepresentation
bin10011100110110101101001
3100200010111121
4103212311221
52303433232
6302055241
761454614
oct23466551
910603447
105139817
1129a0691
12187a521
1310ac617
1497b17b
156b7d97
hex4e6d69

5139817 has 4 divisors (see below), whose sum is σ = 5180416. Its totient is φ = 5099220.

The previous prime is 5139811. The next prime is 5139821. The reversal of 5139817 is 7189315.

It is a happy number.

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 5139817 - 219 = 4615529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5139811) 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, 20109 + ... + 20362.

It is an arithmetic number, because the mean of its divisors is an integer number (1295104).

Almost surely, 25139817 is an apocalyptic number.

It is an amenable number.

5139817 is a deficient number, since it is larger than the sum of its proper divisors (40599).

5139817 is a wasteful number, since it uses less digits than its factorization.

5139817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40598.

The product of its digits is 7560, while the sum is 34.

The square root of 5139817 is about 2267.1164504718. The cubic root of 5139817 is about 172.5768557617.

It can be divided in two parts, 51398 and 17, that added together give a palindrome (51415).

The spelling of 5139817 in words is "five million, one hundred thirty-nine thousand, eight hundred seventeen".

Divisors: 1 127 40471 5139817