Base | Representation |
---|---|
bin | 110111100010… |
… | …1011111000001 |
3 | 2000210110202011 |
4 | 1233011133001 |
5 | 24423323244 |
6 | 2520052521 |
7 | 502343161 |
oct | 157053701 |
9 | 60713664 |
10 | 29120449 |
11 | 1548a696 |
12 | 9904141 |
13 | 6057847 |
14 | 3c205a1 |
15 | 2853434 |
hex | 1bc57c1 |
29120449 has 2 divisors, whose sum is σ = 29120450. Its totient is φ = 29120448.
The previous prime is 29120431. The next prime is 29120459. The reversal of 29120449 is 94402192.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 18835600 + 10284849 = 4340^2 + 3207^2 .
It is a cyclic number.
It is not a de Polignac number, because 29120449 - 213 = 29112257 is a prime.
It is equal to p1806664 and since 29120449 and 1806664 have the same sum of digits, it is a Honaker prime.
It is a self number, because there is not a number n which added to its sum of digits gives 29120449.
It is not a weakly prime, because it can be changed into another prime (29120459) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14560224 + 14560225.
It is an arithmetic number, because the mean of its divisors is an integer number (14560225).
Almost surely, 229120449 is an apocalyptic number.
It is an amenable number.
29120449 is a deficient number, since it is larger than the sum of its proper divisors (1).
29120449 is an equidigital number, since it uses as much as digits as its factorization.
29120449 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 29120449 is about 5396.3366277503. The cubic root of 29120449 is about 307.6564484701.
The spelling of 29120449 in words is "twenty-nine million, one hundred twenty thousand, four hundred forty-nine".
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