Base | Representation |
---|---|
bin | 111001100110… |
… | …1000101011011 |
3 | 2002211022211021 |
4 | 1303031011123 |
5 | 30212401110 |
6 | 2555143311 |
7 | 514461046 |
oct | 163150533 |
9 | 62738737 |
10 | 30200155 |
11 | 16057907 |
12 | a144b37 |
13 | 634511b |
14 | 4021c5d |
15 | 29b82da |
hex | 1ccd15b |
30200155 has 8 divisors (see below), whose sum is σ = 36296784. Its totient is φ = 24122400.
The previous prime is 30200141. The next prime is 30200167. The reversal of 30200155 is 55100203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30200155 - 221 = 28103003 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916 + ... + 7825.
It is an arithmetic number, because the mean of its divisors is an integer number (4537098).
Almost surely, 230200155 is an apocalyptic number.
30200155 is a deficient number, since it is larger than the sum of its proper divisors (6096629).
30200155 is an equidigital number, since it uses as much as digits as its factorization.
30200155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9437.
The product of its (nonzero) digits is 150, while the sum is 16.
The square root of 30200155 is about 5495.4667681645. The cubic root of 30200155 is about 311.4127506983.
Adding to 30200155 its reverse (55100203), we get a palindrome (85300358).
The spelling of 30200155 in words is "thirty million, two hundred thousand, one hundred fifty-five".
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