Base | Representation |
---|---|
bin | 111010101111… |
… | …0111000001101 |
3 | 2010221122222200 |
4 | 1311132320031 |
5 | 30341003300 |
6 | 3020032113 |
7 | 522526056 |
oct | 165367015 |
9 | 63848880 |
10 | 30797325 |
11 | 16425539 |
12 | a392639 |
13 | 64c3b90 |
14 | 413972d |
15 | 2a85200 |
hex | 1d5ee0d |
30797325 has 36 divisors (see below), whose sum is σ = 59410260. Its totient is φ = 15160320.
The previous prime is 30797323. The next prime is 30797329. The reversal of 30797325 is 52379703.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 887364 + 29909961 = 942^2 + 5469^2 .
It is not a de Polignac number, because 30797325 - 21 = 30797323 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30797325.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30797321) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2340 + ... + 8189.
It is an arithmetic number, because the mean of its divisors is an integer number (1650285).
Almost surely, 230797325 is an apocalyptic number.
It is an amenable number.
30797325 is a deficient number, since it is larger than the sum of its proper divisors (28612935).
30797325 is a wasteful number, since it uses less digits than its factorization.
30797325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10558 (or 10550 counting only the distinct ones).
The product of its (nonzero) digits is 39690, while the sum is 36.
The square root of 30797325 is about 5549.5337642004. The cubic root of 30797325 is about 313.4519664204.
It can be divided in two parts, 3079 and 7325, that added together give a square (10404 = 1022).
The spelling of 30797325 in words is "thirty million, seven hundred ninety-seven thousand, three hundred twenty-five".
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