Base | Representation |
---|---|
bin | 111001010011… |
… | …1101111000001 |
3 | 2002112112222010 |
4 | 1302213233001 |
5 | 30143002134 |
6 | 2552003133 |
7 | 513253035 |
oct | 162475701 |
9 | 62475863 |
10 | 30047169 |
11 | 15a62979 |
12 | a0904a9 |
13 | 62c05b9 |
14 | 3dc21c5 |
15 | 2987ce9 |
hex | 1ca7bc1 |
30047169 has 8 divisors (see below), whose sum is σ = 40157152. Its totient is φ = 19984320.
The previous prime is 30047167. The next prime is 30047179. The reversal of 30047169 is 96174003.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30047169 - 21 = 30047167 is a prime.
It is a super-2 number, since 2×300471692 = 1805664729829122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30047167) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10267 + ... + 12864.
It is an arithmetic number, because the mean of its divisors is an integer number (5019644).
Almost surely, 230047169 is an apocalyptic number.
It is an amenable number.
30047169 is a deficient number, since it is larger than the sum of its proper divisors (10109983).
30047169 is a wasteful number, since it uses less digits than its factorization.
30047169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23567.
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 30047169 is about 5481.5298047169. The cubic root of 30047169 is about 310.8860153758.
The spelling of 30047169 in words is "thirty million, forty-seven thousand, one hundred sixty-nine".
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