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83167137 = 3210191493
BaseRepresentation
bin1001111010100…
…00011110100001
312210111022212100
410331100132201
5132242322022
612130321013
72026623534
oct475203641
9183438770
1083167137
1142a44779
1223a29169
13142cbb31
14b08ca1b
15747c1ac
hex4f507a1

83167137 has 12 divisors (see below), whose sum is σ = 121321044. Its totient is φ = 54895200.

The previous prime is 83167129. The next prime is 83167151. The reversal of 83167137 is 73176138.

It can be written as a sum of positive squares in 2 ways, for example, as 81162081 + 2005056 = 9009^2 + 1416^2 .

It is not a de Polignac number, because 83167137 - 23 = 83167129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83167177) 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 11 ways as a sum of consecutive naturals, for example, 44838 + ... + 46655.

It is an arithmetic number, because the mean of its divisors is an integer number (10110087).

Almost surely, 283167137 is an apocalyptic number.

It is an amenable number.

83167137 is a deficient number, since it is larger than the sum of its proper divisors (38153907).

83167137 is a wasteful number, since it uses less digits than its factorization.

83167137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91600 (or 91597 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 83167137 is about 9119.6018005174. The cubic root of 83167137 is about 436.4996673789.

Subtracting from 83167137 its reverse (73176138), we obtain a palindrome (9990999).

The spelling of 83167137 in words is "eighty-three million, one hundred sixty-seven thousand, one hundred thirty-seven".

Divisors: 1 3 9 101 303 909 91493 274479 823437 9240793 27722379 83167137