Base | Representation |
---|---|
bin | 111001001000… |
… | …0001001100001 |
3 | 2002100122110001 |
4 | 1302100021201 |
5 | 30131404221 |
6 | 2545540001 |
7 | 512401264 |
oct | 162201141 |
9 | 62318401 |
10 | 29950561 |
11 | 159a7333 |
12 | a044601 |
13 | 6288634 |
14 | 3d98cdb |
15 | 2969391 |
hex | 1c90261 |
29950561 has 2 divisors, whose sum is σ = 29950562. Its totient is φ = 29950560.
The previous prime is 29950553. The next prime is 29950579. The reversal of 29950561 is 16505992.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22896225 + 7054336 = 4785^2 + 2656^2 .
It is a cyclic number.
It is not a de Polignac number, because 29950561 - 23 = 29950553 is a prime.
It is a super-2 number, since 2×299505612 = 1794072208429442, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 29950561.
It is not a weakly prime, because it can be changed into another prime (29950511) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14975280 + 14975281.
It is an arithmetic number, because the mean of its divisors is an integer number (14975281).
Almost surely, 229950561 is an apocalyptic number.
It is an amenable number.
29950561 is a deficient number, since it is larger than the sum of its proper divisors (1).
29950561 is an equidigital number, since it uses as much as digits as its factorization.
29950561 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24300, while the sum is 37.
The square root of 29950561 is about 5472.7105715541. The cubic root of 29950561 is about 310.5524695607.
The spelling of 29950561 in words is "twenty-nine million, nine hundred fifty thousand, five hundred sixty-one".
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