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44272429 = 57377717
BaseRepresentation
bin1010100011100…
…0101100101101
310002022021100121
42220320230231
542313204204
64220524541
71045211065
oct250705455
9102267317
1044272429
1122a99593
12129b0751
139231406
145c463a5
153d47b54
hex2a38b2d

44272429 has 4 divisors (see below), whose sum is σ = 44285884. Its totient is φ = 44258976.

The previous prime is 44272409. The next prime is 44272439. The reversal of 44272429 is 92427244.

It is a happy number.

44272429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2 ways, for example, as 7851204 + 36421225 = 2802^2 + 6035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44272429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44272394 and 44272403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44272409) 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, 1879 + ... + 9595.

It is an arithmetic number, because the mean of its divisors is an integer number (11071471).

Almost surely, 244272429 is an apocalyptic number.

It is an amenable number.

44272429 is a deficient number, since it is larger than the sum of its proper divisors (13455).

44272429 is an equidigital number, since it uses as much as digits as its factorization.

44272429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13454.

The product of its digits is 32256, while the sum is 34.

The square root of 44272429 is about 6653.7530011265. The cubic root of 44272429 is about 353.7619480122.

The spelling of 44272429 in words is "forty-four million, two hundred seventy-two thousand, four hundred twenty-nine".

Divisors: 1 5737 7717 44272429