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44275321 = 113391817
BaseRepresentation
bin1010100011100…
…1011001111001
310002022102022201
42220321121321
542313302241
64220550201
71045222366
oct250713171
9102272281
1044275321
1122aa0782
12129b2361
13923281c
145c4746d
153d48931
hex2a39679

44275321 has 4 divisors (see below), whose sum is σ = 44667252. Its totient is φ = 43883392.

The previous prime is 44275291. The next prime is 44275331. The reversal of 44275321 is 12357244.

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 15492096 + 28783225 = 3936^2 + 5365^2 .

It is a cyclic number.

It is not a de Polignac number, because 44275321 - 25 = 44275289 is a prime.

It is a super-4 number, since 4×442753214 (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44275321.

It is not an unprimeable number, because it can be changed into a prime (44275331) 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, 195796 + ... + 196021.

It is an arithmetic number, because the mean of its divisors is an integer number (11166813).

Almost surely, 244275321 is an apocalyptic number.

It is an amenable number.

44275321 is a deficient number, since it is larger than the sum of its proper divisors (391931).

44275321 is a wasteful number, since it uses less digits than its factorization.

44275321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391930.

The product of its digits is 6720, while the sum is 28.

The square root of 44275321 is about 6653.9703185392. The cubic root of 44275321 is about 353.7696507540.

The spelling of 44275321 in words is "forty-four million, two hundred seventy-five thousand, three hundred twenty-one".

Divisors: 1 113 391817 44275321