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6121125 = 32535441
BaseRepresentation
bin10111010110011010100101
3102111222121100
4113112122211
53031334000
6335110313
7103012563
oct27263245
912458540
106121125
11350098a
122072399
13136418a
14b54a33
1580da00
hex5d66a5

6121125 has 24 divisors (see below), whose sum is σ = 11036376. Its totient is φ = 3264000.

The previous prime is 6121121. The next prime is 6121201. The reversal of 6121125 is 5211216.

It can be written as a sum of positive squares in 4 ways, for example, as 54756 + 6066369 = 234^2 + 2463^2 .

It is not a de Polignac number, because 6121125 - 22 = 6121121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6121098 and 6121107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121121) 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 23 ways as a sum of consecutive naturals, for example, 1596 + ... + 3845.

It is an arithmetic number, because the mean of its divisors is an integer number (459849).

Almost surely, 26121125 is an apocalyptic number.

It is an amenable number.

6121125 is a deficient number, since it is larger than the sum of its proper divisors (4915251).

6121125 is a wasteful number, since it uses less digits than its factorization.

6121125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5462 (or 5449 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 6121125 is about 2474.0907420707. The cubic root of 6121125 is about 182.9266928454.

Subtracting from 6121125 its reverse (5211216), we obtain a palindrome (909909).

The spelling of 6121125 in words is "six million, one hundred twenty-one thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 1125 5441 16323 27205 48969 81615 136025 244845 408075 680125 1224225 2040375 6121125