Base | Representation |
---|---|
bin | 111001100000… |
… | …1001010011011 |
3 | 2002201211211200 |
4 | 1303001022123 |
5 | 30204320243 |
6 | 2554125243 |
7 | 514165506 |
oct | 163011233 |
9 | 62654750 |
10 | 30151323 |
11 | 16024154 |
12 | a120823 |
13 | 6328b27 |
14 | 400c13d |
15 | 29a8ad3 |
hex | 1cc129b |
30151323 has 6 divisors (see below), whose sum is σ = 43551924. Its totient is φ = 20100876.
The previous prime is 30151291. The next prime is 30151343. The reversal of 30151323 is 32315103.
It is not a de Polignac number, because 30151323 - 25 = 30151291 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30151296 and 30151305.
It is not an unprimeable number, because it can be changed into a prime (30151343) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1675065 + ... + 1675082.
It is an arithmetic number, because the mean of its divisors is an integer number (7258654).
Almost surely, 230151323 is an apocalyptic number.
30151323 is a deficient number, since it is larger than the sum of its proper divisors (13400601).
30151323 is a wasteful number, since it uses less digits than its factorization.
30151323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3350153 (or 3350150 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 18.
The square root of 30151323 is about 5491.0220360148. The cubic root of 30151323 is about 311.2448143521.
Adding to 30151323 its reverse (32315103), we get a palindrome (62466426).
The spelling of 30151323 in words is "thirty million, one hundred fifty-one thousand, three hundred twenty-three".
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