Base | Representation |
---|---|
bin | 111001011110… |
… | …0100001010111 |
3 | 2002200212202112 |
4 | 1302330201113 |
5 | 30203213221 |
6 | 2553501235 |
7 | 514056206 |
oct | 162744127 |
9 | 62625675 |
10 | 30132311 |
11 | 16010940 |
12 | a11181b |
13 | 6320291 |
14 | 400523d |
15 | 29a315b |
hex | 1cbc857 |
30132311 has 16 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 26573280.
The previous prime is 30132269. The next prime is 30132359. The reversal of 30132311 is 11323103.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30132311 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30132391) 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, 86165 + ... + 86513.
It is an arithmetic number, because the mean of its divisors is an integer number (2116800).
Almost surely, 230132311 is an apocalyptic number.
30132311 is a deficient number, since it is larger than the sum of its proper divisors (3736489).
30132311 is a wasteful number, since it uses less digits than its factorization.
30132311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 574.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 30132311 is about 5489.2905734712. The cubic root of 30132311 is about 311.1793818381.
Adding to 30132311 its reverse (11323103), we get a palindrome (41455414).
The spelling of 30132311 in words is "thirty million, one hundred thirty-two thousand, three hundred eleven".
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