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83199743 = 1123573209
BaseRepresentation
bin1001111010110…
…00011011111111
312210112222120222
410331120123333
5132244342433
612131131555
72030120564
oct475303377
9183488528
1083199743
1142a67220
1223a43bbb
1314310923
14b09a86b
157486b98
hex4f586ff

83199743 has 8 divisors (see below), whose sum is σ = 90830160. Its totient is φ = 75580480.

The previous prime is 83199733. The next prime is 83199761. The reversal of 83199743 is 34799138.

It is a happy number.

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 83199743 - 218 = 82937599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83199694 and 83199703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83199733) 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, 24323 + ... + 27531.

It is an arithmetic number, because the mean of its divisors is an integer number (11353770).

Almost surely, 283199743 is an apocalyptic number.

83199743 is a deficient number, since it is larger than the sum of its proper divisors (7630417).

83199743 is a wasteful number, since it uses less digits than its factorization.

83199743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577.

The product of its digits is 163296, while the sum is 44.

The square root of 83199743 is about 9121.3893130378. The cubic root of 83199743 is about 436.5567037240.

The spelling of 83199743 in words is "eighty-three million, one hundred ninety-nine thousand, seven hundred forty-three".

Divisors: 1 11 2357 3209 25927 35299 7563613 83199743