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140431341 = 373641239
BaseRepresentation
bin10000101111011…
…00111111101101
3100210020122120210
420113230333231
5241422300331
621533533033
73323434551
oct1027547755
9323218523
10140431341
11722a7166
123b044179
132312b78b
1414917861
15c4de446
hex85ecfed

140431341 has 8 divisors (see below), whose sum is σ = 189807040. Its totient is φ = 92338272.

The previous prime is 140431327. The next prime is 140431367. The reversal of 140431341 is 143134041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140431341 - 211 = 140429293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140431301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320401 + ... + 320838.

It is an arithmetic number, because the mean of its divisors is an integer number (23725880).

Almost surely, 2140431341 is an apocalyptic number.

It is an amenable number.

140431341 is a deficient number, since it is larger than the sum of its proper divisors (49375699).

140431341 is an equidigital number, since it uses as much as digits as its factorization.

140431341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641315.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 140431341 is about 11850.3730321033. The cubic root of 140431341 is about 519.7821338312.

Adding to 140431341 its reverse (143134041), we get a palindrome (283565382).

The spelling of 140431341 in words is "one hundred forty million, four hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 3 73 219 641239 1923717 46810447 140431341