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83343681 = 337394177
BaseRepresentation
bin1001111011110…
…11100101000001
312210211022001000
410331323211001
5132313444211
612134202213
72031260331
oct475734501
9183738030
1083343681
1143055383
1223ab3369
13143612b5
14b0d70c1
1574b4656
hex4f7b941

83343681 has 16 divisors (see below), whose sum is σ = 123668800. Its totient is φ = 55473984.

The previous prime is 83343677. The next prime is 83343683. The reversal of 83343681 is 18634338.

It is a happy number.

It is not a de Polignac number, because 83343681 - 22 = 83343677 is a prime.

It is a super-2 number, since 2×833436812 = 13892338325259522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83343683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17865 + ... + 22041.

It is an arithmetic number, because the mean of its divisors is an integer number (7729300).

Almost surely, 283343681 is an apocalyptic number.

It is an amenable number.

83343681 is a deficient number, since it is larger than the sum of its proper divisors (40325119).

83343681 is a wasteful number, since it uses less digits than its factorization.

83343681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925 (or 4919 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 83343681 is about 9129.2760392049. The cubic root of 83343681 is about 436.8083106588.

The spelling of 83343681 in words is "eighty-three million, three hundred forty-three thousand, six hundred eighty-one".

Divisors: 1 3 9 27 739 2217 4177 6651 12531 19953 37593 112779 3086803 9260409 27781227 83343681