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140411525 = 528216841
BaseRepresentation
bin10000101111010…
…00001010000101
3100210012122101212
420113220022011
5241421132100
621533301205
73323323022
oct1027501205
9323178355
10140411525
1172293291
123b034805
1323122757
1414910549
15c4d8635
hex85e8285

140411525 has 12 divisors (see below), whose sum is σ = 174347844. Its totient is φ = 112176000.

The previous prime is 140411521. The next prime is 140411543. The reversal of 140411525 is 525114041.

It can be written as a sum of positive squares in 6 ways, for example, as 2137444 + 138274081 = 1462^2 + 11759^2 .

It is not a de Polignac number, because 140411525 - 22 = 140411521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140411525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140411521) 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 11 ways as a sum of consecutive naturals, for example, 17105 + ... + 23945.

It is an arithmetic number, because the mean of its divisors is an integer number (14528987).

Almost surely, 2140411525 is an apocalyptic number.

It is an amenable number.

140411525 is a deficient number, since it is larger than the sum of its proper divisors (33936319).

140411525 is an equidigital number, since it uses as much as digits as its factorization.

140411525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7672 (or 7667 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 140411525 is about 11849.5369107826. The cubic root of 140411525 is about 519.7576841911.

Adding to 140411525 its reverse (525114041), we get a palindrome (665525566).

The spelling of 140411525 in words is "one hundred forty million, four hundred eleven thousand, five hundred twenty-five".

Divisors: 1 5 25 821 4105 6841 20525 34205 171025 5616461 28082305 140411525