Search a number
44749 = 73613
BaseRepresentation
bin1010111011001101
32021101101
422323031
52412444
6543101
7244315
oct127315
967341
1044749
1130691
1221a91
13174a3
1412445
15d3d4
hexaecd

44749 has 4 divisors (see below), whose sum is σ = 45436. Its totient is φ = 44064.

The previous prime is 44741. The next prime is 44753. The reversal of 44749 is 94744.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8649 + 36100 = 93^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 44749 - 23 = 44741 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44741) 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, 234 + ... + 379.

It is an arithmetic number, because the mean of its divisors is an integer number (11359).

244749 is an apocalyptic number.

It is an amenable number.

44749 is a deficient number, since it is larger than the sum of its proper divisors (687).

44749 is an equidigital number, since it uses as much as digits as its factorization.

44749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its digits is 4032, while the sum is 28.

The square root of 44749 is about 211.5395944026. The cubic root of 44749 is about 35.5026778381.

It can be divided in two parts, 447 and 49, that added together give a triangular number (496 = T31).

The spelling of 44749 in words is "forty-four thousand, seven hundred forty-nine".

Divisors: 1 73 613 44749