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44312693 = 1719137191
BaseRepresentation
bin1010100100001…
…0100001110101
310002101022120212
42221002201311
542321001233
64221435205
71045436345
oct251024165
9102338525
1044312693
1123016867
1212a0bb05
139246839
145c56d25
153d54a48
hex2a42875

44312693 has 8 divisors (see below), whose sum is σ = 49389120. Its totient is φ = 39510720.

The previous prime is 44312683. The next prime is 44312699. The reversal of 44312693 is 39621344.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44312693 - 26 = 44312629 is a prime.

It is a super-2 number, since 2×443126932 = 3927229521824498, 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 (44312699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68273 + ... + 68918.

It is an arithmetic number, because the mean of its divisors is an integer number (6173640).

Almost surely, 244312693 is an apocalyptic number.

It is an amenable number.

44312693 is a deficient number, since it is larger than the sum of its proper divisors (5076427).

44312693 is a wasteful number, since it uses less digits than its factorization.

44312693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137227.

The product of its digits is 15552, while the sum is 32.

The square root of 44312693 is about 6656.7779743657. Note that the first 3 decimals coincide. The cubic root of 44312693 is about 353.8691596222.

The spelling of 44312693 in words is "forty-four million, three hundred twelve thousand, six hundred ninety-three".

Divisors: 1 17 19 323 137191 2332247 2606629 44312693