Base | Representation |
---|---|
bin | 111001111110… |
… | …1001110110101 |
3 | 2010012100100100 |
4 | 1303331032311 |
5 | 30240203430 |
6 | 3003304313 |
7 | 516242025 |
oct | 163751665 |
9 | 63170310 |
10 | 30397365 |
11 | 16181a99 |
12 | a21b099 |
13 | 63b3b0b |
14 | 4073a85 |
15 | 2a06960 |
hex | 1cfd3b5 |
30397365 has 24 divisors (see below), whose sum is σ = 54507960. Its totient is φ = 15652224.
The previous prime is 30397363. The next prime is 30397369. The reversal of 30397365 is 56379303.
It can be written as a sum of positive squares in 4 ways, for example, as 26244 + 30371121 = 162^2 + 5511^2 .
It is not a de Polignac number, because 30397365 - 21 = 30397363 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30397361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10342 + ... + 12951.
It is an arithmetic number, because the mean of its divisors is an integer number (2271165).
Almost surely, 230397365 is an apocalyptic number.
It is an amenable number.
30397365 is a deficient number, since it is larger than the sum of its proper divisors (24110595).
30397365 is a wasteful number, since it uses less digits than its factorization.
30397365 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23333 (or 23330 counting only the distinct ones).
The product of its (nonzero) digits is 51030, while the sum is 36.
The square root of 30397365 is about 5513.3805419180. The cubic root of 30397365 is about 312.0891325715.
It can be divided in two parts, 3039 and 7365, that added together give a square (10404 = 1022).
The spelling of 30397365 in words is "thirty million, three hundred ninety-seven thousand, three hundred sixty-five".
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