Base | Representation |
---|---|
bin | 111001110010… |
… | …1110011010000 |
3 | 2010000110200210 |
4 | 1303211303100 |
5 | 30224121032 |
6 | 3001244120 |
7 | 515362152 |
oct | 163456320 |
9 | 63013623 |
10 | 30301392 |
11 | 16116980 |
12 | a193640 |
13 | 637c224 |
14 | 404aad2 |
15 | 29d82cc |
hex | 1ce5cd0 |
30301392 has 40 divisors (see below), whose sum is σ = 85396320. Its totient is φ = 9182080.
The previous prime is 30301379. The next prime is 30301399. The reversal of 30301392 is 29310303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30301399) by changing a digit.
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, 28167 + ... + 29222.
It is an arithmetic number, because the mean of its divisors is an integer number (2134908).
Almost surely, 230301392 is an apocalyptic number.
It is an amenable number.
30301392 is an abundant number, since it is smaller than the sum of its proper divisors (55094928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30301392 is a wasteful number, since it uses less digits than its factorization.
30301392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57411 (or 57405 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 21.
The square root of 30301392 is about 5504.6700173580. The cubic root of 30301392 is about 311.7603353424.
Adding to 30301392 its reverse (29310303), we get a palindrome (59611695).
The spelling of 30301392 in words is "thirty million, three hundred one thousand, three hundred ninety-two".
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