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6140025 = 325229941
BaseRepresentation
bin10111011011000001111001
3102112221112100
4113123001321
53032440100
6335334013
7103121643
oct27330171
912487470
106140025
113514101
122081309
13136c968
14b5b893
15814400
hex5db079

6140025 has 36 divisors (see below), whose sum is σ = 11388780. Its totient is φ = 3158400.

The previous prime is 6140023. The next prime is 6140041. The reversal of 6140025 is 5200416.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 29241 + 6110784 = 171^2 + 2472^2 .

It is not a de Polignac number, because 6140025 - 21 = 6140023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6140023) 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 35 ways as a sum of consecutive naturals, for example, 6055 + ... + 6995.

It is an arithmetic number, because the mean of its divisors is an integer number (316355).

Almost surely, 26140025 is an apocalyptic number.

It is an amenable number.

6140025 is a deficient number, since it is larger than the sum of its proper divisors (5248755).

6140025 is a wasteful number, since it uses less digits than its factorization.

6140025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 6140025 is about 2477.9073832571. The cubic root of 6140025 is about 183.1147716839.

It can be divided in two parts, 61400 and 25, that added together give a triangular number (61425 = T350).

The spelling of 6140025 in words is "six million, one hundred forty thousand, twenty-five".

Divisors: 1 3 5 9 15 25 29 45 75 87 145 225 261 435 725 941 1305 2175 2823 4705 6525 8469 14115 23525 27289 42345 70575 81867 136445 211725 245601 409335 682225 1228005 2046675 6140025