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83813073 = 327937691
BaseRepresentation
bin1001111111011…
…10001011010001
312211201010220220
410333232023101
5132424004243
612152223253
72035253661
oct477561321
9184633826
1083813073
1143346003
122409ab29
1314496b46
14b1ba1a1
157558783
hex4fee2d1

83813073 has 4 divisors (see below), whose sum is σ = 111750768. Its totient is φ = 55875380.

The previous prime is 83813071. The next prime is 83813089. The reversal of 83813073 is 37031838.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83813073 - 21 = 83813071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83813071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13968843 + ... + 13968848.

It is an arithmetic number, because the mean of its divisors is an integer number (27937692).

Almost surely, 283813073 is an apocalyptic number.

It is an amenable number.

83813073 is a deficient number, since it is larger than the sum of its proper divisors (27937695).

83813073 is a wasteful number, since it uses less digits than its factorization.

83813073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27937694.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 83813073 is about 9154.9480064062. The cubic root of 83813073 is about 437.6268114572.

The spelling of 83813073 in words is "eighty-three million, eight hundred thirteen thousand, seventy-three".

Divisors: 1 3 27937691 83813073