Base | Representation |
---|---|
bin | 111010101000… |
… | …1101101100111 |
3 | 2010211221000102 |
4 | 1311101231213 |
5 | 30332242044 |
6 | 3014534315 |
7 | 522212621 |
oct | 165215547 |
9 | 63757012 |
10 | 30743399 |
11 | 16398a75 |
12 | a36739b |
13 | 64a547b |
14 | 4123c11 |
15 | 2a7424e |
hex | 1d51b67 |
30743399 has 8 divisors (see below), whose sum is σ = 31618608. Its totient is φ = 29874240.
The previous prime is 30743369. The next prime is 30743417. The reversal of 30743399 is 99334703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30743399 - 28 = 30743143 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 (30743369) 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, 10004 + ... + 12710.
It is an arithmetic number, because the mean of its divisors is an integer number (3952326).
Almost surely, 230743399 is an apocalyptic number.
30743399 is a deficient number, since it is larger than the sum of its proper divisors (875209).
30743399 is a wasteful number, since it uses less digits than its factorization.
30743399 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3025.
The product of its (nonzero) digits is 61236, while the sum is 38.
The square root of 30743399 is about 5544.6730291335. The cubic root of 30743399 is about 313.2689084636.
The spelling of 30743399 in words is "thirty million, seven hundred forty-three thousand, three hundred ninety-nine".
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