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140241311 = 746343271
BaseRepresentation
bin10000101101111…
…10100110011111
3100202212222220122
420112332212133
5241400210221
621525505155
73322013540
oct1026764637
9322788818
10140241311
1172187411
123ab721bb
1323093132
14148a84c7
15c4a2eab
hex85be99f

140241311 has 8 divisors (see below), whose sum is σ = 160625664. Its totient is φ = 119944440.

The previous prime is 140241307. The next prime is 140241317. The reversal of 140241311 is 113142041.

It is a happy number.

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

It is not a de Polignac number, because 140241311 - 22 = 140241307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140241311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140241317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18395 + ... + 24876.

It is an arithmetic number, because the mean of its divisors is an integer number (20078208).

Almost surely, 2140241311 is an apocalyptic number.

140241311 is a deficient number, since it is larger than the sum of its proper divisors (20384353).

140241311 is an equidigital number, since it uses as much as digits as its factorization.

140241311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43741.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 140241311 is about 11842.3524267774. The cubic root of 140241311 is about 519.5475736895.

Adding to 140241311 its reverse (113142041), we get a palindrome (253383352).

The spelling of 140241311 in words is "one hundred forty million, two hundred forty-one thousand, three hundred eleven".

Divisors: 1 7 463 3241 43271 302897 20034473 140241311