Base | Representation |
---|---|
bin | 111001011011… |
… | …1000100111010 |
3 | 2002122202011120 |
4 | 1302313010322 |
5 | 30202010020 |
6 | 2553210110 |
7 | 513634200 |
oct | 162670472 |
9 | 62582146 |
10 | 30110010 |
11 | 15aa6107 |
12 | a100936 |
13 | 6313098 |
14 | 3ddb070 |
15 | 299b740 |
hex | 1cb713a |
30110010 has 48 divisors (see below), whose sum is σ = 84066336. Its totient is φ = 6881952.
The previous prime is 30109991. The next prime is 30110023. The reversal of 30110010 is 1001103.
It is a super-2 number, since 2×301100102 = 1813225404400200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (6).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8772 + ... + 11711.
It is an arithmetic number, because the mean of its divisors is an integer number (1751382).
Almost surely, 230110010 is an apocalyptic number.
30110010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30110010 is an abundant number, since it is smaller than the sum of its proper divisors (53956326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30110010 is a wasteful number, since it uses less digits than its factorization.
30110010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20507 (or 20500 counting only the distinct ones).
The product of its (nonzero) digits is 3, while the sum is 6.
The square root of 30110010 is about 5487.2588785294. The cubic root of 30110010 is about 311.1025946743.
Adding to 30110010 its reverse (1001103), we get a palindrome (31111113).
The spelling of 30110010 in words is "thirty million, one hundred ten thousand, ten".
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