Base | Representation |
---|---|
bin | 111001100010… |
… | …1110000010101 |
3 | 2002202210122100 |
4 | 1303011300111 |
5 | 30210421013 |
6 | 2554352313 |
7 | 514304400 |
oct | 163056025 |
9 | 62683570 |
10 | 30170133 |
11 | 160372a4 |
12 | a12b699 |
13 | 6334566 |
14 | 4014d37 |
15 | 29ae473 |
hex | 1cc5c15 |
30170133 has 54 divisors (see below), whose sum is σ = 53303094. Its totient is φ = 16384032.
The previous prime is 30170117. The next prime is 30170149. The reversal of 30170133 is 33107103.
It is an interprime number because it is at equal distance from previous prime (30170117) and next prime (30170149).
It can be written as a sum of positive squares in only one way, i.e., 29354724 + 815409 = 5418^2 + 903^2 .
It is not a de Polignac number, because 30170133 - 24 = 30170117 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30170183) by changing a digit.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 701610 + ... + 701652.
Almost surely, 230170133 is an apocalyptic number.
It is an amenable number.
30170133 is a deficient number, since it is larger than the sum of its proper divisors (23132961).
30170133 is a wasteful number, since it uses less digits than its factorization.
30170133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143 (or 90 counting only the distinct ones).
The product of its (nonzero) digits is 189, while the sum is 18.
The square root of 30170133 is about 5492.7345648593. The cubic root of 30170133 is about 311.3095245908.
Adding to 30170133 its reverse (33107103), we get a palindrome (63277236).
It can be divided in two parts, 30170 and 133, that added together give a palindrome (30303).
The spelling of 30170133 in words is "thirty million, one hundred seventy thousand, one hundred thirty-three".
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