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140311255 = 572572699
BaseRepresentation
bin10000101110011…
…11101011010111
3100210000112212011
420113033223113
5241404430010
621531205051
73322424500
oct1027175327
9323015764
10140311255
1172224a17
123aba6787
13230b8c16
14148c5ba7
15c4b8a8a
hex85cfad7

140311255 has 12 divisors (see below), whose sum is σ = 195863400. Its totient is φ = 96213264.

The previous prime is 140311253. The next prime is 140311261. The reversal of 140311255 is 552113041.

It is a happy number.

It is not a de Polignac number, because 140311255 - 21 = 140311253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140311253) 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 11 ways as a sum of consecutive naturals, for example, 286105 + ... + 286594.

It is an arithmetic number, because the mean of its divisors is an integer number (16321950).

Almost surely, 2140311255 is an apocalyptic number.

140311255 is a deficient number, since it is larger than the sum of its proper divisors (55552145).

140311255 is an equidigital number, since it uses as much as digits as its factorization.

140311255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572718 (or 572711 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 140311255 is about 11845.3051881326. The cubic root of 140311255 is about 519.6339324464.

Adding to 140311255 its reverse (552113041), we get a palindrome (692424296).

The spelling of 140311255 in words is "one hundred forty million, three hundred eleven thousand, two hundred fifty-five".

Divisors: 1 5 7 35 49 245 572699 2863495 4008893 20044465 28062251 140311255