Base | Representation |
---|---|
bin | 111001101010… |
… | …0101100000110 |
3 | 2002212220112212 |
4 | 1303110230012 |
5 | 30214400202 |
6 | 2555543422 |
7 | 514650623 |
oct | 163245406 |
9 | 62786485 |
10 | 30231302 |
11 | 16079252 |
12 | a15ab72 |
13 | 635635a |
14 | 402d34a |
15 | 29c2652 |
hex | 1cd4b06 |
30231302 has 4 divisors (see below), whose sum is σ = 45346956. Its totient is φ = 15115650.
The previous prime is 30231283. The next prime is 30231307. The reversal of 30231302 is 20313203.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231307) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7557824 + ... + 7557827.
It is an arithmetic number, because the mean of its divisors is an integer number (11336739).
Almost surely, 230231302 is an apocalyptic number.
30231302 is a deficient number, since it is larger than the sum of its proper divisors (15115654).
30231302 is a wasteful number, since it uses less digits than its factorization.
30231302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15115653.
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 30231302 is about 5498.2999190659. The cubic root of 30231302 is about 311.5197726689.
Adding to 30231302 its reverse (20313203), we get a palindrome (50544505).
The spelling of 30231302 in words is "thirty million, two hundred thirty-one thousand, three hundred two".
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