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83083071 = 3269102953
BaseRepresentation
bin1001111001110…
…11111100111111
312210100001112210
410330323330333
5132232124241
612124431503
72026123461
oct474737477
9183301483
1083083071
11429975a5
12239a8593
131429c7a6
14b06a131
157462316
hex4f3bf3f

83083071 has 8 divisors (see below), whose sum is σ = 111190320. Its totient is φ = 55182272.

The previous prime is 83083051. The next prime is 83083109. The reversal of 83083071 is 17038038.

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 83083071 - 27 = 83082943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83083031) 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, 50670 + ... + 52283.

It is an arithmetic number, because the mean of its divisors is an integer number (13898790).

Almost surely, 283083071 is an apocalyptic number.

83083071 is a deficient number, since it is larger than the sum of its proper divisors (28107249).

83083071 is a wasteful number, since it uses less digits than its factorization.

83083071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103225.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 83083071 is about 9114.9915523823. The cubic root of 83083071 is about 436.3525453581.

The spelling of 83083071 in words is "eighty-three million, eighty-three thousand, seventy-one".

Divisors: 1 3 269 807 102953 308859 27694357 83083071