Base | Representation |
---|---|
bin | 111010000011… |
… | …0111111110001 |
3 | 2010021101012200 |
4 | 1310012333301 |
5 | 30242443421 |
6 | 3004213413 |
7 | 516466443 |
oct | 164067761 |
9 | 63241180 |
10 | 30437361 |
11 | 161aa049 |
12 | a23a269 |
13 | 63c9096 |
14 | 4084493 |
15 | 2a13726 |
hex | 1d06ff1 |
30437361 has 12 divisors (see below), whose sum is σ = 46551492. Its totient is φ = 19097856.
The previous prime is 30437321. The next prime is 30437387. The reversal of 30437361 is 16373403.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 18326961 + 12110400 = 4281^2 + 3480^2 .
It is not a de Polignac number, because 30437361 - 211 = 30435313 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30437311) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99316 + ... + 99621.
It is an arithmetic number, because the mean of its divisors is an integer number (3879291).
Almost surely, 230437361 is an apocalyptic number.
It is an amenable number.
30437361 is a deficient number, since it is larger than the sum of its proper divisors (16114131).
30437361 is a wasteful number, since it uses less digits than its factorization.
30437361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198960 (or 198957 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 27.
The square root of 30437361 is about 5517.0065252816. The cubic root of 30437361 is about 312.2259519561.
It can be divided in two parts, 3043 and 7361, that added together give a square (10404 = 1022).
The spelling of 30437361 in words is "thirty million, four hundred thirty-seven thousand, three hundred sixty-one".
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