Base | Representation |
---|---|
bin | 1011111001111… |
… | …1101000111101 |
3 | 10110222001121221 |
4 | 2332133220331 |
5 | 100240440312 |
6 | 4542153341 |
7 | 1144312540 |
oct | 276375075 |
9 | 113861557 |
10 | 49936957 |
11 | 26208414 |
12 | 14882851 |
13 | a4657c5 |
14 | 68bc857 |
15 | 45b6207 |
hex | 2f9fa3d |
49936957 has 4 divisors (see below), whose sum is σ = 57070816. Its totient is φ = 42803100.
The previous prime is 49936949. The next prime is 49936961. The reversal of 49936957 is 75963994.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75963994 = 2 ⋅37981997.
It is a cyclic number.
It is not a de Polignac number, because 49936957 - 23 = 49936949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49936907) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3566919 + ... + 3566932.
It is an arithmetic number, because the mean of its divisors is an integer number (14267704).
Almost surely, 249936957 is an apocalyptic number.
It is an amenable number.
49936957 is a deficient number, since it is larger than the sum of its proper divisors (7133859).
49936957 is an equidigital number, since it uses as much as digits as its factorization.
49936957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7133858.
The product of its digits is 1837080, while the sum is 52.
The square root of 49936957 is about 7066.6085925287. The cubic root of 49936957 is about 368.2482498115.
The spelling of 49936957 in words is "forty-nine million, nine hundred thirty-six thousand, nine hundred fifty-seven".
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