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84674825 = 523386993
BaseRepresentation
bin1010000110000…
…00100100001001
312220022221000122
411003000210021
5133134043300
612222513025
72045503244
oct503004411
9186287018
1084674825
11438844a4
1224435775
1314709161
14b36225b
157678c85
hex50c0909

84674825 has 6 divisors (see below), whose sum is σ = 104996814. Its totient is φ = 67739840.

The previous prime is 84674819. The next prime is 84674827. The reversal of 84674825 is 52847648.

It can be written as a sum of positive squares in 3 ways, for example, as 11075584 + 73599241 = 3328^2 + 8579^2 .

It is not a de Polignac number, because 84674825 - 210 = 84673801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84674827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1693472 + ... + 1693521.

It is an arithmetic number, because the mean of its divisors is an integer number (17499469).

Almost surely, 284674825 is an apocalyptic number.

It is an amenable number.

84674825 is a deficient number, since it is larger than the sum of its proper divisors (20321989).

84674825 is a wasteful number, since it uses less digits than its factorization.

84674825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387003 (or 3386998 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 84674825 is about 9201.8924684002. The cubic root of 84674825 is about 439.1215687173.

The spelling of 84674825 in words is "eighty-four million, six hundred seventy-four thousand, eight hundred twenty-five".

Divisors: 1 5 25 3386993 16934965 84674825