Base | Representation |
---|---|
bin | 111001110000… |
… | …1110110110001 |
3 | 2002222122112022 |
4 | 1303201312301 |
5 | 30223111413 |
6 | 3001041225 |
7 | 515264066 |
oct | 163416661 |
9 | 62878468 |
10 | 30285233 |
11 | 16105820 |
12 | a186215 |
13 | 6374a74 |
14 | 4044c6d |
15 | 29d3608 |
hex | 1ce1db1 |
30285233 has 8 divisors (see below), whose sum is σ = 34104576. Its totient is φ = 26643600.
The previous prime is 30285217. The next prime is 30285253. The reversal of 30285233 is 33258203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30285233 - 24 = 30285217 is a prime.
It is a super-3 number, since 3×302852333 (a number of 23 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (30285253) 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, 44066 + ... + 44747.
It is an arithmetic number, because the mean of its divisors is an integer number (4263072).
Almost surely, 230285233 is an apocalyptic number.
It is an amenable number.
30285233 is a deficient number, since it is larger than the sum of its proper divisors (3819343).
30285233 is a wasteful number, since it uses less digits than its factorization.
30285233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88855.
The product of its (nonzero) digits is 4320, while the sum is 26.
The square root of 30285233 is about 5503.2020678874. The cubic root of 30285233 is about 311.7049074045.
The spelling of 30285233 in words is "thirty million, two hundred eighty-five thousand, two hundred thirty-three".
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