Base | Representation |
---|---|
bin | 10000110111000… |
… | …01001001111100 |
3 | 100212010110102202 |
4 | 20123201021330 |
5 | 242201301140 |
6 | 22011211032 |
7 | 3335101334 |
oct | 1033411174 |
9 | 325113382 |
10 | 141431420 |
11 | 7291a579 |
12 | 3b446a78 |
13 | 233bba40 |
14 | 14ad80c4 |
15 | c63a915 |
hex | 86e127c |
141431420 has 24 divisors (see below), whose sum is σ = 319853184. Its totient is φ = 52220736.
The previous prime is 141431387. The next prime is 141431431. The reversal of 141431420 is 24134141.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 141431392 and 141431401.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271724 + ... + 272243.
It is an arithmetic number, because the mean of its divisors is an integer number (13327216).
Almost surely, 2141431420 is an apocalyptic number.
141431420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
141431420 is an abundant number, since it is smaller than the sum of its proper divisors (178421764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
141431420 is a wasteful number, since it uses less digits than its factorization.
141431420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 543989 (or 543987 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 141431420 is about 11892.4942715984. The cubic root of 141431420 is about 521.0130890718.
Adding to 141431420 its reverse (24134141), we get a palindrome (165565561).
The spelling of 141431420 in words is "one hundred forty-one million, four hundred thirty-one thousand, four hundred twenty".
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