Base | Representation |
---|---|
bin | 111001110010… |
… | …1110111100110 |
3 | 2010000111002002 |
4 | 1303211313212 |
5 | 30224123140 |
6 | 3001245302 |
7 | 515363030 |
oct | 163456746 |
9 | 63014062 |
10 | 30301670 |
11 | 16117103 |
12 | a193832 |
13 | 637c3a9 |
14 | 404ac50 |
15 | 29d8415 |
hex | 1ce5de6 |
30301670 has 32 divisors (see below), whose sum is σ = 63790848. Its totient is φ = 10146528.
The previous prime is 30301639. The next prime is 30301679. The reversal of 30301670 is 7610303.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30301679) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2024 + ... + 8043.
It is an arithmetic number, because the mean of its divisors is an integer number (1993464).
Almost surely, 230301670 is an apocalyptic number.
30301670 is an abundant number, since it is smaller than the sum of its proper divisors (33489178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30301670 is a wasteful number, since it uses less digits than its factorization.
30301670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10124.
The product of its (nonzero) digits is 378, while the sum is 20.
The square root of 30301670 is about 5504.6952685866. The cubic root of 30301670 is about 311.7612887542.
Adding to 30301670 its reverse (7610303), we get a palindrome (37911973).
The spelling of 30301670 in words is "thirty million, three hundred one thousand, six hundred seventy".
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