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44049769 = 66372
BaseRepresentation
bin1010100000001…
…0010101101001
310001212221220221
42220002111221
542234043034
64212050041
71043262661
oct250022551
9101787827
1044049769
1122957275
1212903921
139183c6a
145bc91a1
153d01bb4
hex2a02569

44049769 has 3 divisors (see below), whose sum is σ = 44056407. Its totient is φ = 44043132.

The previous prime is 44049767. The next prime is 44049781. The reversal of 44049769 is 96794044.

The square root of 44049769 is 6637.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 648025 + 43401744 = 805^2 + 6588^2 .

It is not a de Polignac number, because 44049769 - 21 = 44049767 is a prime.

It is a super-2 number, since 2×440497692 = 3880764297906722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44049767) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3319 + ... + 9955.

It is an arithmetic number, because the mean of its divisors is an integer number (14685469).

Almost surely, 244049769 is an apocalyptic number.

44049769 is the 6637-th square number.

44049769 is the 3319-th centered octagonal number.

It is an amenable number.

44049769 is a deficient number, since it is larger than the sum of its proper divisors (6638).

44049769 is an frugal number, since it uses more digits than its factorization.

44049769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13274 (or 6637 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The cubic root of 44049769 is about 353.1678908823.

The spelling of 44049769 in words is "forty-four million, forty-nine thousand, seven hundred sixty-nine".

Divisors: 1 6637 44049769