Base | Representation |
---|---|
bin | 111001110101… |
… | …1101111011100 |
3 | 2010001201001222 |
4 | 1303223233130 |
5 | 30230410344 |
6 | 3001552512 |
7 | 515523122 |
oct | 163535734 |
9 | 63051058 |
10 | 30325724 |
11 | 16133190 |
12 | a1a5738 |
13 | 638a320 |
14 | 4055912 |
15 | 29e05ee |
hex | 1cebbdc |
30325724 has 24 divisors (see below), whose sum is σ = 62349168. Its totient is φ = 12723840.
The previous prime is 30325721. The next prime is 30325747. The reversal of 30325724 is 42752303.
It is a super-2 number, since 2×303257242 = 1839299072248352, which contains 22 as substring.
It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a junction number, because it is equal to n+sod(n) for n = 30325693 and 30325702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30325721) 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 7 ways as a sum of consecutive naturals, for example, 25937 + ... + 27080.
It is an arithmetic number, because the mean of its divisors is an integer number (2597882).
Almost surely, 230325724 is an apocalyptic number.
It is an amenable number.
30325724 is an abundant number, since it is smaller than the sum of its proper divisors (32023444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30325724 is a wasteful number, since it uses less digits than its factorization.
30325724 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53045 (or 53043 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 26.
The square root of 30325724 is about 5506.8796972514. The cubic root of 30325724 is about 311.8437608050.
The spelling of 30325724 in words is "thirty million, three hundred twenty-five thousand, seven hundred twenty-four".
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