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140344141 = 7163123001
BaseRepresentation
bin10000101110101…
…11101101001101
3100210002012222011
420113113231031
5241412003031
621532021221
73322622410
oct1027275515
9323065864
10140344141
11722476a3
123b001811
13230cab92
14148d3b77
15c4c36b1
hex85d7b4d

140344141 has 8 divisors (see below), whose sum is σ = 161378624. Its totient is φ = 119556000.

The previous prime is 140344133. The next prime is 140344157. The reversal of 140344141 is 141443041.

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

It is a cyclic number.

It is not a de Polignac number, because 140344141 - 23 = 140344133 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 (140344111) 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, 60360 + ... + 62641.

It is an arithmetic number, because the mean of its divisors is an integer number (20172328).

Almost surely, 2140344141 is an apocalyptic number.

It is an amenable number.

140344141 is a deficient number, since it is larger than the sum of its proper divisors (21034483).

140344141 is a wasteful number, since it uses less digits than its factorization.

140344141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123171.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 140344141 is about 11846.6932517053. The cubic root of 140344141 is about 519.6745263546.

Adding to 140344141 its reverse (141443041), we get a palindrome (281787182).

The spelling of 140344141 in words is "one hundred forty million, three hundred forty-four thousand, one hundred forty-one".

Divisors: 1 7 163 1141 123001 861007 20049163 140344141