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140965241 = 172487769
BaseRepresentation
bin10000110011011…
…11010101111001
3100211020202221212
420121233111321
5242041341431
621553212505
73331120244
oct1031572571
9324222855
10140965241
11726312aa
123b261135
13232877b1
1414a1625b
15c59772b
hex866f579

140965241 has 6 divisors (see below), whose sum is σ = 149745390. Its totient is φ = 132672896.

The previous prime is 140965217. The next prime is 140965249. The reversal of 140965241 is 142569041.

It can be written as a sum of positive squares in 3 ways, for example, as 15054400 + 125910841 = 3880^2 + 11221^2 .

It is not a de Polignac number, because 140965241 - 26 = 140965177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140965198 and 140965207.

It is not an unprimeable number, because it can be changed into a prime (140965249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243596 + ... + 244173.

It is an arithmetic number, because the mean of its divisors is an integer number (24957565).

Almost surely, 2140965241 is an apocalyptic number.

It is an amenable number.

140965241 is a deficient number, since it is larger than the sum of its proper divisors (8780149).

140965241 is an equidigital number, since it uses as much as digits as its factorization.

140965241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487803 (or 487786 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 140965241 is about 11872.8783788936. The cubic root of 140965241 is about 520.4400134127.

The spelling of 140965241 in words is "one hundred forty million, nine hundred sixty-five thousand, two hundred forty-one".

Divisors: 1 17 289 487769 8292073 140965241