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140013241 = 178236073
BaseRepresentation
bin10000101100001…
…10111010111001
3100202110102001121
420112012322321
5241320410431
621520545241
73320043604
oct1026067271
9322412047
10140013241
1172041025
123aa82221
1323013394
141484933b
15c45a611
hex8586eb9

140013241 has 4 divisors (see below), whose sum is σ = 148249332. Its totient is φ = 131777152.

The previous prime is 140013187. The next prime is 140013271. The reversal of 140013241 is 142310041.

140013241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 128595600 + 11417641 = 11340^2 + 3379^2 .

It is a cyclic number.

It is not a de Polignac number, because 140013241 - 27 = 140013113 is a prime.

It is a super-3 number, since 3×1400132413 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140013271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4118020 + ... + 4118053.

It is an arithmetic number, because the mean of its divisors is an integer number (37062333).

Almost surely, 2140013241 is an apocalyptic number.

It is an amenable number.

140013241 is a deficient number, since it is larger than the sum of its proper divisors (8236091).

140013241 is an equidigital number, since it uses as much as digits as its factorization.

140013241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236090.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140013241 is about 11832.7190873442. The cubic root of 140013241 is about 519.2657796249.

Adding to 140013241 its reverse (142310041), we get a palindrome (282323282).

It can be divided in two parts, 1400 and 13241, that added together give a palindrome (14641).

The spelling of 140013241 in words is "one hundred forty million, thirteen thousand, two hundred forty-one".

Divisors: 1 17 8236073 140013241