Base | Representation |
---|---|
bin | 11001101100001… |
… | …000111011111110 |
3 | 1010001000010200200 |
4 | 121230020323332 |
5 | 1340314020332 |
6 | 110433504330 |
7 | 13452310452 |
oct | 3154107376 |
9 | 1101003620 |
10 | 431001342 |
11 | 20131a762 |
12 | 1004120a6 |
13 | 6b3a72a5 |
14 | 41354662 |
15 | 27c8917c |
hex | 19b08efe |
431001342 has 12 divisors (see below), whose sum is σ = 933836280. Its totient is φ = 143667108.
The previous prime is 431001287. The next prime is 431001343. The reversal of 431001342 is 243100134.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 23944519 = 431001342 / (4 + 3 + 1 + 0 + 0 + 1 + 3 + 4 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (431001343) 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 5 ways as a sum of consecutive naturals, for example, 11972242 + ... + 11972277.
It is an arithmetic number, because the mean of its divisors is an integer number (77819690).
Almost surely, 2431001342 is an apocalyptic number.
431001342 is an abundant number, since it is smaller than the sum of its proper divisors (502834938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
431001342 is a wasteful number, since it uses less digits than its factorization.
431001342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23944527 (or 23944524 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 431001342 is about 20760.5718129342. The cubic root of 431001342 is about 755.3696664940.
Adding to 431001342 its reverse (243100134), we get a palindrome (674101476).
It can be divided in two parts, 43100134 and 2, that multiplied together give a palindrome (86200268).
The spelling of 431001342 in words is "four hundred thirty-one million, one thousand, three hundred forty-two".
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