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44272263 = 3723711291
BaseRepresentation
bin1010100011100…
…0101010000111
310002022021010110
42220320222013
542313203023
64220524103
71045210440
oct250705207
9102267113
1044272263
1122a99452
12129b0633
139231309
145c462c7
153d47a93
hex2a38a87

44272263 has 32 divisors (see below), whose sum is σ = 71442432. Its totient is φ = 23839200.

The previous prime is 44272259. The next prime is 44272303. The reversal of 44272263 is 36227244.

It is not a de Polignac number, because 44272263 - 22 = 44272259 is a prime.

It is a super-2 number, since 2×442722632 = 3920066542282338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44272263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44272253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33648 + ... + 34938.

It is an arithmetic number, because the mean of its divisors is an integer number (2232576).

Almost surely, 244272263 is an apocalyptic number.

44272263 is a deficient number, since it is larger than the sum of its proper divisors (27170169).

44272263 is a wasteful number, since it uses less digits than its factorization.

44272263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395.

The product of its digits is 16128, while the sum is 30.

The square root of 44272263 is about 6653.7405269517. The cubic root of 44272263 is about 353.7615058667.

The spelling of 44272263 in words is "forty-four million, two hundred seventy-two thousand, two hundred sixty-three".

Divisors: 1 3 7 21 23 69 71 161 213 483 497 1291 1491 1633 3873 4899 9037 11431 27111 29693 34293 89079 91661 207851 274983 623553 641627 1924881 2108203 6324609 14757421 44272263