Base | Representation |
---|---|
bin | 101010100001110… |
… | …1100010110001000 |
3 | 10200110012201010000 |
4 | 1111003230112020 |
5 | 10410310001212 |
6 | 353334123000 |
7 | 50235365331 |
oct | 12503542610 |
9 | 3613181100 |
10 | 1427031432 |
11 | 672581922 |
12 | 339ab0460 |
13 | 1998544c8 |
14 | d774b288 |
15 | 854341dc |
hex | 550ec588 |
1427031432 has 80 divisors (see below), whose sum is σ = 4126003200. Its totient is φ = 460326240.
The previous prime is 1427031427. The next prime is 1427031467. The reversal of 1427031432 is 2341307241.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1427031396 and 1427031405.
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 19 ways as a sum of consecutive naturals, for example, 15432 + ... + 55607.
It is an arithmetic number, because the mean of its divisors is an integer number (51575040).
Almost surely, 21427031432 is an apocalyptic number.
1427031432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1427031432 is an abundant number, since it is smaller than the sum of its proper divisors (2698971768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1427031432 is a wasteful number, since it uses less digits than its factorization.
1427031432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71088 (or 71075 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 1427031432 is about 37776.0695679156. The cubic root of 1427031432 is about 1125.8430374314.
Adding to 1427031432 its reverse (2341307241), we get a palindrome (3768338673).
The spelling of 1427031432 in words is "one billion, four hundred twenty-seven million, thirty-one thousand, four hundred thirty-two".
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