Base | Representation |
---|---|
bin | 111001011100… |
… | …0010011010010 |
3 | 2002200000001100 |
4 | 1302320103102 |
5 | 30202140101 |
6 | 2553245230 |
7 | 513654624 |
oct | 162702322 |
9 | 62600040 |
10 | 30115026 |
11 | 15aa9957 |
12 | a103816 |
13 | 6315456 |
14 | 3ddcc14 |
15 | 299ce86 |
hex | 1cb84d2 |
30115026 has 24 divisors (see below), whose sum is σ = 66225744. Its totient is φ = 9888120.
The previous prime is 30115013. The next prime is 30115031. The reversal of 30115026 is 62051103.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11280 + ... + 13691.
It is an arithmetic number, because the mean of its divisors is an integer number (2759406).
Almost surely, 230115026 is an apocalyptic number.
30115026 is an abundant number, since it is smaller than the sum of its proper divisors (36110718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30115026 is a wasteful number, since it uses less digits than its factorization.
30115026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25046 (or 25043 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 30115026 is about 5487.7159183034. The cubic root of 30115026 is about 311.1198691507.
Adding to 30115026 its reverse (62051103), we get a palindrome (92166129).
The spelling of 30115026 in words is "thirty million, one hundred fifteen thousand, twenty-six".
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