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84050857 = 117640987
BaseRepresentation
bin1010000001010…
…00001110101001
312212011020002201
411000220032221
5133004111412
612201300201
72040264142
oct500501651
9185136081
1084050857
1143498720
1224194661
131454b147
14b23cac9
1575a3e57
hex50283a9

84050857 has 4 divisors (see below), whose sum is σ = 91691856. Its totient is φ = 76409860.

The previous prime is 84050849. The next prime is 84050891. The reversal of 84050857 is 75805048.

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 84050857 - 23 = 84050849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84050657) 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, 3820483 + ... + 3820504.

It is an arithmetic number, because the mean of its divisors is an integer number (22922964).

Almost surely, 284050857 is an apocalyptic number.

It is an amenable number.

84050857 is a deficient number, since it is larger than the sum of its proper divisors (7640999).

84050857 is a wasteful number, since it uses less digits than its factorization.

84050857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7640998.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 84050857 is about 9167.9254469046. The cubic root of 84050857 is about 438.0402807627.

The spelling of 84050857 in words is "eighty-four million, fifty thousand, eight hundred fifty-seven".

Divisors: 1 11 7640987 84050857