Base | Representation |
---|---|
bin | 110111100110… |
… | …0100000101111 |
3 | 2000211221020011 |
4 | 1233030200233 |
5 | 24430233411 |
6 | 2520434051 |
7 | 502523116 |
oct | 157144057 |
9 | 60757204 |
10 | 29149231 |
11 | 154aa281 |
12 | 9918927 |
13 | 6067987 |
14 | 3c2ac7d |
15 | 285bc21 |
hex | 1bcc82f |
29149231 has 2 divisors, whose sum is σ = 29149232. Its totient is φ = 29149230.
The previous prime is 29149223. The next prime is 29149243. The reversal of 29149231 is 13294192.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 29149231 - 23 = 29149223 is a prime.
It is a super-2 number, since 2×291492312 = 1699355335782722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 29149193 and 29149202.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (29149531) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14574615 + 14574616.
It is an arithmetic number, because the mean of its divisors is an integer number (14574616).
Almost surely, 229149231 is an apocalyptic number.
29149231 is a deficient number, since it is larger than the sum of its proper divisors (1).
29149231 is an equidigital number, since it uses as much as digits as its factorization.
29149231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3888, while the sum is 31.
The square root of 29149231 is about 5399.0027782916. The cubic root of 29149231 is about 307.7577753435.
The spelling of 29149231 in words is "twenty-nine million, one hundred forty-nine thousand, two hundred thirty-one".
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