Base | Representation |
---|---|
bin | 1011111001000… |
… | …1100011011101 |
3 | 10110212010111001 |
4 | 2332101203131 |
5 | 100232114021 |
6 | 4541030301 |
7 | 1143652405 |
oct | 276214335 |
9 | 113763431 |
10 | 49879261 |
11 | 26179033 |
12 | 14855391 |
13 | a445473 |
14 | 68a5805 |
15 | 45a4091 |
hex | 2f918dd |
49879261 has 2 divisors, whose sum is σ = 49879262. Its totient is φ = 49879260.
The previous prime is 49879231. The next prime is 49879283. The reversal of 49879261 is 16297894.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 48734361 + 1144900 = 6981^2 + 1070^2 .
It is a cyclic number.
It is not a de Polignac number, because 49879261 - 25 = 49879229 is a prime.
It is a super-2 number, since 2×498792612 = 4975881355812242, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49879231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24939630 + 24939631.
It is an arithmetic number, because the mean of its divisors is an integer number (24939631).
Almost surely, 249879261 is an apocalyptic number.
It is an amenable number.
49879261 is a deficient number, since it is larger than the sum of its proper divisors (1).
49879261 is an equidigital number, since it uses as much as digits as its factorization.
49879261 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 217728, while the sum is 46.
The square root of 49879261 is about 7062.5251149996. The cubic root of 49879261 is about 368.1063733329.
The spelling of 49879261 in words is "forty-nine million, eight hundred seventy-nine thousand, two hundred sixty-one".
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