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83311339 = 1743113969
BaseRepresentation
bin1001111011100…
…11101011101011
312210202122200011
410331303223223
5132311430324
612133352351
72031064126
oct475635353
9183678604
1083311339
1143033051
1223a986b7
131434c667
14b0c93bd
1574a9c94
hex4f73aeb

83311339 has 8 divisors (see below), whose sum is σ = 90264240. Its totient is φ = 76586496.

The previous prime is 83311331. The next prime is 83311369. The reversal of 83311339 is 93311338.

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

It is not a de Polignac number, because 83311339 - 23 = 83311331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83311339.

It is not an unprimeable number, because it can be changed into a prime (83311331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56254 + ... + 57715.

It is an arithmetic number, because the mean of its divisors is an integer number (11283030).

Almost surely, 283311339 is an apocalyptic number.

83311339 is a deficient number, since it is larger than the sum of its proper divisors (6952901).

83311339 is a wasteful number, since it uses less digits than its factorization.

83311339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114029.

The product of its digits is 5832, while the sum is 31.

The square root of 83311339 is about 9127.5045330035. The cubic root of 83311339 is about 436.7518013470.

Subtracting 83311339 from its reverse (93311338), we obtain a palindrome (9999999).

The spelling of 83311339 in words is "eighty-three million, three hundred eleven thousand, three hundred thirty-nine".

Divisors: 1 17 43 731 113969 1937473 4900667 83311339