Base | Representation |
---|---|
bin | 111001001000… |
… | …1100110000001 |
3 | 2002100221120022 |
4 | 1302101212001 |
5 | 30132101411 |
6 | 2550023225 |
7 | 512424452 |
oct | 162214601 |
9 | 62327508 |
10 | 29956481 |
11 | 15a00825 |
12 | a047b15 |
13 | 628b239 |
14 | 3d9b129 |
15 | 296aedb |
hex | 1c91981 |
29956481 has 2 divisors, whose sum is σ = 29956482. Its totient is φ = 29956480.
The previous prime is 29956477. The next prime is 29956513. The reversal of 29956481 is 18465992.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 26173456 + 3783025 = 5116^2 + 1945^2 .
It is a cyclic number.
It is not a de Polignac number, because 29956481 - 22 = 29956477 is a prime.
It is a super-2 number, since 2×299564812 = 1794781507806722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (29956441) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14978240 + 14978241.
It is an arithmetic number, because the mean of its divisors is an integer number (14978241).
Almost surely, 229956481 is an apocalyptic number.
It is an amenable number.
29956481 is a deficient number, since it is larger than the sum of its proper divisors (1).
29956481 is an equidigital number, since it uses as much as digits as its factorization.
29956481 is an evil number, because the sum of its binary digits is even.
The product of its digits is 155520, while the sum is 44.
The square root of 29956481 is about 5473.2514102679. The cubic root of 29956481 is about 310.5729293834.
The spelling of 29956481 in words is "twenty-nine million, nine hundred fifty-six thousand, four hundred eighty-one".
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