Base | Representation |
---|---|
bin | 111001100000… |
… | …0011010001001 |
3 | 2002201200121020 |
4 | 1303000122021 |
5 | 30204220413 |
6 | 2554103053 |
7 | 514153503 |
oct | 163003211 |
9 | 62650536 |
10 | 30148233 |
11 | 160218a5 |
12 | a11aa89 |
13 | 63275bb |
14 | 400ad73 |
15 | 29a7c23 |
hex | 1cc0689 |
30148233 has 16 divisors (see below), whose sum is σ = 41472000. Its totient is φ = 19471760.
The previous prime is 30148211. The next prime is 30148241. The reversal of 30148233 is 33284103.
It is a cyclic number.
It is not a de Polignac number, because 30148233 - 26 = 30148169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30148253) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11368 + ... + 13766.
It is an arithmetic number, because the mean of its divisors is an integer number (2592000).
Almost surely, 230148233 is an apocalyptic number.
It is an amenable number.
30148233 is a deficient number, since it is larger than the sum of its proper divisors (11323767).
30148233 is a wasteful number, since it uses less digits than its factorization.
30148233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2532.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 30148233 is about 5490.7406604210. The cubic root of 30148233 is about 311.2341815480.
It can be divided in two parts, 30148 and 233, that added together give a triangular number (30381 = T246).
The spelling of 30148233 in words is "thirty million, one hundred forty-eight thousand, two hundred thirty-three".
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