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140112242 = 2611279043
BaseRepresentation
bin10000101100111…
…11000101110010
3100202122102212022
420112133011302
5241332042432
621523031442
73320635334
oct1026370562
9322572768
10140112242
11720a9446
123ab0b582
132304946a
1414873454
15c479b12
hex859f172

140112242 has 16 divisors (see below), whose sum is σ = 215319552. Its totient is φ = 68357520.

The previous prime is 140112241. The next prime is 140112277. The reversal of 140112242 is 242211041.

140112242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140112242.

It is not an unprimeable number, because it can be changed into a prime (140112241) 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, 10973 + ... + 20015.

It is an arithmetic number, because the mean of its divisors is an integer number (13457472).

Almost surely, 2140112242 is an apocalyptic number.

140112242 is a deficient number, since it is larger than the sum of its proper divisors (75207310).

140112242 is a wasteful number, since it uses less digits than its factorization.

140112242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9233.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 140112242 is about 11836.9017061054. The cubic root of 140112242 is about 519.3881388134.

Adding to 140112242 its reverse (242211041), we get a palindrome (382323283).

The spelling of 140112242 in words is "one hundred forty million, one hundred twelve thousand, two hundred forty-two".

Divisors: 1 2 61 122 127 254 7747 9043 15494 18086 551623 1103246 1148461 2296922 70056121 140112242