Base | Representation |
---|---|
bin | 11001000010101… |
… | …011011110000111 |
3 | 1002021112221202222 |
4 | 121002223132013 |
5 | 1330023221433 |
6 | 105404522555 |
7 | 13261032542 |
oct | 3102533607 |
9 | 1067487688 |
10 | 420132743 |
11 | 1a6176a48 |
12 | b885045b |
13 | 69070274 |
14 | 3db25859 |
15 | 26d3db98 |
hex | 190ab787 |
420132743 has 8 divisors (see below), whose sum is σ = 450248928. Its totient is φ = 391004064.
The previous prime is 420132737. The next prime is 420132751. The reversal of 420132743 is 347231024.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-420132743 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (420132703) 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, 245996 + ... + 247697.
It is an arithmetic number, because the mean of its divisors is an integer number (56281116).
Almost surely, 2420132743 is an apocalyptic number.
420132743 is a deficient number, since it is larger than the sum of its proper divisors (30116185).
420132743 is a wasteful number, since it uses less digits than its factorization.
420132743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 493753.
The product of its (nonzero) digits is 4032, while the sum is 26.
The square root of 420132743 is about 20497.1398736507. The cubic root of 420132743 is about 748.9661268708.
Adding to 420132743 its reverse (347231024), we get a palindrome (767363767).
The spelling of 420132743 in words is "four hundred twenty million, one hundred thirty-two thousand, seven hundred forty-three".
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