Base | Representation |
---|---|
bin | 11001101101110… |
… | …100010011110110 |
3 | 1010001211110222120 |
4 | 121231310103312 |
5 | 1340422104032 |
6 | 110451140410 |
7 | 13456121616 |
oct | 3155642366 |
9 | 1101743876 |
10 | 431441142 |
11 | 2015a0130 |
12 | 1005a4706 |
13 | 6b4cc522 |
14 | 4142aa46 |
15 | 27d2462c |
hex | 19b744f6 |
431441142 has 32 divisors (see below), whose sum is σ = 943208064. Its totient is φ = 130478400.
The previous prime is 431441137. The next prime is 431441161. The reversal of 431441142 is 241144134.
It is a super-2 number, since 2×4314411422 = 372282918020528328, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 28113 + ... + 40659.
It is an arithmetic number, because the mean of its divisors is an integer number (29475252).
Almost surely, 2431441142 is an apocalyptic number.
431441142 is an abundant number, since it is smaller than the sum of its proper divisors (511766922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
431441142 is a wasteful number, since it uses less digits than its factorization.
431441142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13084.
The product of its digits is 1536, while the sum is 24.
The square root of 431441142 is about 20771.1613060031. The cubic root of 431441142 is about 755.6265091943.
Adding to 431441142 its reverse (241144134), we get a palindrome (672585276).
It can be divided in two parts, 4314411 and 42, that added together give a triangular number (4314453 = T2937).
The spelling of 431441142 in words is "four hundred thirty-one million, four hundred forty-one thousand, one hundred forty-two".
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