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84975237 = 341049077
BaseRepresentation
bin1010001000010…
…01111010000101
312220220012010000
411010021322011
5133223201422
612233151513
72051164134
oct504117205
9186805100
1084975237
1143a6a176
122455b599
13147b2b09
14b3dd91b
1576d7cac
hex5109e85

84975237 has 10 divisors (see below), whose sum is σ = 126938438. Its totient is φ = 56650104.

The previous prime is 84975223. The next prime is 84975283. The reversal of 84975237 is 73257948.

It can be written as a sum of positive squares in only one way, i.e., 80838081 + 4137156 = 8991^2 + 2034^2 .

It is not a de Polignac number, because 84975237 - 26 = 84975173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84975192 and 84975201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84905237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 524458 + ... + 524619.

Almost surely, 284975237 is an apocalyptic number.

It is an amenable number.

84975237 is a deficient number, since it is larger than the sum of its proper divisors (41963201).

84975237 is a wasteful number, since it uses less digits than its factorization.

84975237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049089 (or 1049080 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 84975237 is about 9218.2013972358. The cubic root of 84975237 is about 439.6402655421.

The spelling of 84975237 in words is "eighty-four million, nine hundred seventy-five thousand, two hundred thirty-seven".

Divisors: 1 3 9 27 81 1049077 3147231 9441693 28325079 84975237