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83444493 = 3112528621
BaseRepresentation
bin1001111100101…
…00001100001101
312211000102022210
410332110030031
5132330210433
612140301033
72032160256
oct476241415
9184012283
1083444493
11431140a0
1223b41779
1314398152
14b121b2d
1574d4463
hex4f9430d

83444493 has 8 divisors (see below), whose sum is σ = 121373856. Its totient is φ = 50572400.

The previous prime is 83444489. The next prime is 83444497. The reversal of 83444493 is 39444438.

It is an interprime number because it is at equal distance from previous prime (83444489) and next prime (83444497).

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

It is a cyclic number.

It is not a de Polignac number, because 83444493 - 22 = 83444489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83444497) 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 7 ways as a sum of consecutive naturals, for example, 1264278 + ... + 1264343.

It is an arithmetic number, because the mean of its divisors is an integer number (15171732).

Almost surely, 283444493 is an apocalyptic number.

It is an amenable number.

83444493 is a deficient number, since it is larger than the sum of its proper divisors (37929363).

83444493 is a wasteful number, since it uses less digits than its factorization.

83444493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528635.

The product of its digits is 165888, while the sum is 39.

The square root of 83444493 is about 9134.7957284222. The cubic root of 83444493 is about 436.9843599036.

The spelling of 83444493 in words is "eighty-three million, four hundred forty-four thousand, four hundred ninety-three".

Divisors: 1 3 11 33 2528621 7585863 27814831 83444493