Base | Representation |
---|---|
bin | 111001011010… |
… | …0101100011010 |
3 | 2002122020210002 |
4 | 1302310230122 |
5 | 30201202000 |
6 | 2553053002 |
7 | 513563555 |
oct | 162645432 |
9 | 62566702 |
10 | 30100250 |
11 | 15a99844 |
12 | a0b7162 |
13 | 630b7cb |
14 | 3dd769c |
15 | 29988d5 |
hex | 1cb4b1a |
30100250 has 16 divisors (see below), whose sum is σ = 56348136. Its totient is φ = 12040000.
The previous prime is 30100249. The next prime is 30100283. The reversal of 30100250 is 5200103.
It can be written as a sum of positive squares in 4 ways, for example, as 2042041 + 28058209 = 1429^2 + 5297^2 .
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59951 + ... + 60450.
Almost surely, 230100250 is an apocalyptic number.
30100250 is a deficient number, since it is larger than the sum of its proper divisors (26247886).
30100250 is a wasteful number, since it uses less digits than its factorization.
30100250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120418 (or 120408 counting only the distinct ones).
The product of its (nonzero) digits is 30, while the sum is 11.
The square root of 30100250 is about 5486.3694735225. The cubic root of 30100250 is about 311.0689769565.
Adding to 30100250 its reverse (5200103), we get a palindrome (35300353).
The spelling of 30100250 in words is "thirty million, one hundred thousand, two hundred fifty".
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