Base | Representation |
---|---|
bin | 111010011101… |
… | …1001000111111 |
3 | 2010200020012010 |
4 | 1310323020333 |
5 | 30321312233 |
6 | 3012542303 |
7 | 521346231 |
oct | 164731077 |
9 | 63606163 |
10 | 30650943 |
11 | 16335564 |
12 | a321993 |
13 | 647236b |
14 | 40dc251 |
15 | 2a56b63 |
hex | 1d3b23f |
30650943 has 4 divisors (see below), whose sum is σ = 40867928. Its totient is φ = 20433960.
The previous prime is 30650897. The next prime is 30650947. The reversal of 30650943 is 34905603.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 30650943 - 216 = 30585407 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30650943.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30650947) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5108488 + ... + 5108493.
It is an arithmetic number, because the mean of its divisors is an integer number (10216982).
Almost surely, 230650943 is an apocalyptic number.
30650943 is a deficient number, since it is larger than the sum of its proper divisors (10216985).
30650943 is a wasteful number, since it uses less digits than its factorization.
30650943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10216984.
The product of its (nonzero) digits is 9720, while the sum is 30.
The square root of 30650943 is about 5536.3293796522. The cubic root of 30650943 is about 312.9545572614.
The spelling of 30650943 in words is "thirty million, six hundred fifty thousand, nine hundred forty-three".
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