Base | Representation |
---|---|
bin | 111001111000… |
… | …0011100111110 |
3 | 2010002200112201 |
4 | 1303300130332 |
5 | 30232020042 |
6 | 3002222114 |
7 | 515633311 |
oct | 163603476 |
9 | 63080481 |
10 | 30345022 |
11 | 16146734 |
12 | a1b493a |
13 | 6396046 |
14 | 405c978 |
15 | 29e61b7 |
hex | 1cf073e |
30345022 has 4 divisors (see below), whose sum is σ = 45517536. Its totient is φ = 15172510.
The previous prime is 30345013. The next prime is 30345023. The reversal of 30345022 is 22054303.
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 (30345023) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7586254 + ... + 7586257.
It is an arithmetic number, because the mean of its divisors is an integer number (11379384).
Almost surely, 230345022 is an apocalyptic number.
30345022 is a deficient number, since it is larger than the sum of its proper divisors (15172514).
30345022 is a wasteful number, since it uses less digits than its factorization.
30345022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15172513.
The product of its (nonzero) digits is 720, while the sum is 19.
The square root of 30345022 is about 5508.6315905132. The cubic root of 30345022 is about 311.9098948108.
Adding to 30345022 its reverse (22054303), we get a palindrome (52399325).
The spelling of 30345022 in words is "thirty million, three hundred forty-five thousand, twenty-two".
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