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83734313 = 136441101
BaseRepresentation
bin1001111110110…
…10111100101001
312211120010212212
410333122330221
5132413444223
612150414505
72034505235
oct477327451
9184503785
1083734313
11432a1913
1224061435
131446a040
14b1995c5
157540278
hex4fdaf29

83734313 has 4 divisors (see below), whose sum is σ = 90175428. Its totient is φ = 77293200.

The previous prime is 83734309. The next prime is 83734351. The reversal of 83734313 is 31343738.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31343738 = 215671869.

It can be written as a sum of positive squares in 2 ways, for example, as 16297369 + 67436944 = 4037^2 + 8212^2 .

It is a cyclic number.

It is not a de Polignac number, because 83734313 - 22 = 83734309 is a prime.

It is a super-2 number, since 2×837343132 = 14022870347163938, which contains 22 as substring.

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 83734313.

It is not an unprimeable number, because it can be changed into a prime (83734363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3220538 + ... + 3220563.

It is an arithmetic number, because the mean of its divisors is an integer number (22543857).

Almost surely, 283734313 is an apocalyptic number.

It is an amenable number.

83734313 is a deficient number, since it is larger than the sum of its proper divisors (6441115).

83734313 is a wasteful number, since it uses less digits than its factorization.

83734313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6441114.

The product of its digits is 18144, while the sum is 32.

The square root of 83734313 is about 9150.6454963571. The cubic root of 83734313 is about 437.4896877025.

The spelling of 83734313 in words is "eighty-three million, seven hundred thirty-four thousand, three hundred thirteen".

Divisors: 1 13 6441101 83734313