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83511125 = 53668089
BaseRepresentation
bin1001111101001…
…00011101010101
312211010210201122
410332210131111
5132334324000
612141533325
72032555445
oct476443525
9184123648
1083511125
114315a165
1223b74245
13143bc589
14b13c125
1574e9085
hex4fa4755

83511125 has 8 divisors (see below), whose sum is σ = 104222040. Its totient is φ = 66808800.

The previous prime is 83511101. The next prime is 83511133. The reversal of 83511125 is 52111538.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11566801 + 71944324 = 3401^2 + 8482^2 .

It is not a de Polignac number, because 83511125 - 210 = 83510101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83511094 and 83511103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333920 + ... + 334169.

It is an arithmetic number, because the mean of its divisors is an integer number (13027755).

Almost surely, 283511125 is an apocalyptic number.

It is an amenable number.

83511125 is a deficient number, since it is larger than the sum of its proper divisors (20710915).

83511125 is an equidigital number, since it uses as much as digits as its factorization.

83511125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668104 (or 668094 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

The square root of 83511125 is about 9138.4421538903. The cubic root of 83511125 is about 437.1006423730.

The spelling of 83511125 in words is "eighty-three million, five hundred eleven thousand, one hundred twenty-five".

Divisors: 1 5 25 125 668089 3340445 16702225 83511125