Base | Representation |
---|---|
bin | 111001010110… |
… | …1111110110001 |
3 | 2002120212001200 |
4 | 1302231332301 |
5 | 30144312003 |
6 | 2552321413 |
7 | 513420444 |
oct | 162557661 |
9 | 62525050 |
10 | 30072753 |
11 | 15a80117 |
12 | a0a3269 |
13 | 62cc139 |
14 | 3dcb65b |
15 | 29906a3 |
hex | 1cadfb1 |
30072753 has 24 divisors (see below), whose sum is σ = 45714240. Its totient is φ = 19013280.
The previous prime is 30072751. The next prime is 30072769. The reversal of 30072753 is 35727003.
It is not a de Polignac number, because 30072753 - 21 = 30072751 is a prime.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (30072751) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26563 + ... + 27671.
It is an arithmetic number, because the mean of its divisors is an integer number (1904760).
Almost surely, 230072753 is an apocalyptic number.
It is an amenable number.
30072753 is a deficient number, since it is larger than the sum of its proper divisors (15641487).
30072753 is a wasteful number, since it uses less digits than its factorization.
30072753 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1269 (or 1266 counting only the distinct ones).
The product of its (nonzero) digits is 4410, while the sum is 27.
The square root of 30072753 is about 5483.8629632769. The cubic root of 30072753 is about 310.9742261427.
Adding to 30072753 its reverse (35727003), we get a palindrome (65799756).
The spelling of 30072753 in words is "thirty million, seventy-two thousand, seven hundred fifty-three".
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