Base | Representation |
---|---|
bin | 111010000111… |
… | …1001001010111 |
3 | 2010100002000001 |
4 | 1310033021113 |
5 | 30300030433 |
6 | 3005032131 |
7 | 516665662 |
oct | 164171127 |
9 | 63302001 |
10 | 30470743 |
11 | 16222136 |
12 | a255647 |
13 | 640b334 |
14 | 40926d9 |
15 | 2a1d57d |
hex | 1d0f257 |
30470743 has 8 divisors (see below), whose sum is σ = 30811616. Its totient is φ = 30132000.
The previous prime is 30470723. The next prime is 30470761. The reversal of 30470743 is 34707403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30470743 - 217 = 30339671 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 (30470723) 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, 56053 + ... + 56593.
It is an arithmetic number, because the mean of its divisors is an integer number (3851452).
Almost surely, 230470743 is an apocalyptic number.
30470743 is a deficient number, since it is larger than the sum of its proper divisors (340873).
30470743 is a wasteful number, since it uses less digits than its factorization.
30470743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1065.
The product of its (nonzero) digits is 7056, while the sum is 28.
The square root of 30470743 is about 5520.0310687531. The cubic root of 30470743 is about 312.3400542562.
It can be divided in two parts, 30470 and 743, that added together give a palindrome (31213).
The spelling of 30470743 in words is "thirty million, four hundred seventy thousand, seven hundred forty-three".
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