Base | Representation |
---|---|
bin | 111001011010… |
… | …0101100011111 |
3 | 2002122020210021 |
4 | 1302310230133 |
5 | 30201202010 |
6 | 2553053011 |
7 | 513563563 |
oct | 162645437 |
9 | 62566707 |
10 | 30100255 |
11 | 15a99849 |
12 | a0b7167 |
13 | 630b803 |
14 | 3dd76a3 |
15 | 29988da |
hex | 1cb4b1f |
30100255 has 4 divisors (see below), whose sum is σ = 36120312. Its totient is φ = 24080200.
The previous prime is 30100249. The next prime is 30100283. The reversal of 30100255 is 55200103.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 30100255 - 25 = 30100223 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3010021 + ... + 3010030.
It is an arithmetic number, because the mean of its divisors is an integer number (9030078).
Almost surely, 230100255 is an apocalyptic number.
30100255 is a deficient number, since it is larger than the sum of its proper divisors (6020057).
30100255 is an equidigital number, since it uses as much as digits as its factorization.
30100255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6020056.
The product of its (nonzero) digits is 150, while the sum is 16.
The square root of 30100255 is about 5486.3699291973. The cubic root of 30100255 is about 311.0689941805.
Adding to 30100255 its reverse (55200103), we get a palindrome (85300358).
The spelling of 30100255 in words is "thirty million, one hundred thousand, two hundred fifty-five".
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