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44227309 = 76318187
BaseRepresentation
bin1010100010110…
…1101011101101
310002012222110111
42220231223231
542310233214
64215540021
71044632410
oct250555355
9102188414
1044227309
1122a686a5
121298a611
139216a09
145c33b77
153d395c4
hex2a2daed

44227309 has 4 divisors (see below), whose sum is σ = 50545504. Its totient is φ = 37909116.

The previous prime is 44227289. The next prime is 44227327. The reversal of 44227309 is 90372244.

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 not a de Polignac number, because 44227309 - 27 = 44227181 is a prime.

It is a super-2 number, since 2×442273092 = 3912109722762962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44227609) 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, 3159087 + ... + 3159100.

It is an arithmetic number, because the mean of its divisors is an integer number (12636376).

Almost surely, 244227309 is an apocalyptic number.

It is an amenable number.

44227309 is a deficient number, since it is larger than the sum of its proper divisors (6318195).

44227309 is an equidigital number, since it uses as much as digits as its factorization.

44227309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6318194.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 44227309 is about 6650.3615691179. The cubic root of 44227309 is about 353.6417289882.

The spelling of 44227309 in words is "forty-four million, two hundred twenty-seven thousand, three hundred nine".

Divisors: 1 7 6318187 44227309