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83650071 = 3157177601
BaseRepresentation
bin1001111110001…
…10011000010111
312211101212022210
410333012120113
5132403300241
612144524503
72034004521
oct477063027
9184355283
1083650071
114324459a
1224020733
131443a8ab
14b176a11
157525316
hex4fc6617

83650071 has 8 divisors (see below), whose sum is σ = 112244464. Its totient is φ = 55411200.

The previous prime is 83650067. The next prime is 83650079. The reversal of 83650071 is 17005638.

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

It is not a de Polignac number, because 83650071 - 22 = 83650067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83650079) 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, 88330 + ... + 89271.

It is an arithmetic number, because the mean of its divisors is an integer number (14030558).

Almost surely, 283650071 is an apocalyptic number.

83650071 is a deficient number, since it is larger than the sum of its proper divisors (28594393).

83650071 is a wasteful number, since it uses less digits than its factorization.

83650071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177761.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 83650071 is about 9146.0412747811. The cubic root of 83650071 is about 437.3429244010.

It can be divided in two parts, 836500 and 71, that added together give a triangular number (836571 = T1293).

The spelling of 83650071 in words is "eighty-three million, six hundred fifty thousand, seventy-one".

Divisors: 1 3 157 471 177601 532803 27883357 83650071