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140032241 = 247756533
BaseRepresentation
bin10000101100010…
…11100011110001
3100202111101010022
420112023203301
5241322012431
621521213225
73320153156
oct1026134361
9322441108
10140032241
1172054328
123aa91215
132301bc1b
141485222d
15c46107b
hex858b8f1

140032241 has 4 divisors (see below), whose sum is σ = 140091252. Its totient is φ = 139973232.

The previous prime is 140032187. The next prime is 140032253. The reversal of 140032241 is 142230041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29866225 + 110166016 = 5465^2 + 10496^2 .

It is a cyclic number.

It is not a de Polignac number, because 140032241 - 218 = 139770097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140032141) 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 3 ways as a sum of consecutive naturals, for example, 25790 + ... + 30743.

It is an arithmetic number, because the mean of its divisors is an integer number (35022813).

Almost surely, 2140032241 is an apocalyptic number.

It is an amenable number.

140032241 is a deficient number, since it is larger than the sum of its proper divisors (59011).

140032241 is an equidigital number, since it uses as much as digits as its factorization.

140032241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59010.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140032241 is about 11833.5219186851. The cubic root of 140032241 is about 519.2892669358.

Adding to 140032241 its reverse (142230041), we get a palindrome (282262282).

The spelling of 140032241 in words is "one hundred forty million, thirty-two thousand, two hundred forty-one".

Divisors: 1 2477 56533 140032241