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83994601 = 94189261
BaseRepresentation
bin1010000000110…
…10011111101001
312212001100221011
411000122133221
5133000311401
612200143521
72036641135
oct500323751
9185040834
1083994601
114345a429
1224167ba1
131452b662
14b2263c5
157592451
hex501a7e9

83994601 has 4 divisors (see below), whose sum is σ = 84084804. Its totient is φ = 83904400.

The previous prime is 83994571. The next prime is 83994613. The reversal of 83994601 is 10649938.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42263001 + 41731600 = 6501^2 + 6460^2 .

It is a cyclic number.

It is not a de Polignac number, because 83994601 - 217 = 83863529 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83994641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43690 + ... + 45571.

It is an arithmetic number, because the mean of its divisors is an integer number (21021201).

Almost surely, 283994601 is an apocalyptic number.

It is an amenable number.

83994601 is a deficient number, since it is larger than the sum of its proper divisors (90203).

83994601 is an equidigital number, since it uses as much as digits as its factorization.

83994601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90202.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 83994601 is about 9164.8568455814. The cubic root of 83994601 is about 437.9425308418.

The spelling of 83994601 in words is "eighty-three million, nine hundred ninety-four thousand, six hundred one".

Divisors: 1 941 89261 83994601