Base | Representation |
---|---|
bin | 1011111000000… |
… | …0000010000101 |
3 | 10110201111000222 |
4 | 2332000002011 |
5 | 100222314433 |
6 | 4535314125 |
7 | 1143233231 |
oct | 276000205 |
9 | 113644028 |
10 | 49807493 |
11 | 2612a11a |
12 | 1481b945 |
13 | a41b8b8 |
14 | 68875c1 |
15 | 458cb98 |
hex | 2f80085 |
49807493 has 4 divisors (see below), whose sum is σ = 52428960. Its totient is φ = 47186028.
The previous prime is 49807487. The next prime is 49807507. The reversal of 49807493 is 39470894.
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.
It is a cyclic number.
It is not a de Polignac number, because 49807493 - 24 = 49807477 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 (49807393) 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, 1310705 + ... + 1310742.
It is an arithmetic number, because the mean of its divisors is an integer number (13107240).
Almost surely, 249807493 is an apocalyptic number.
It is an amenable number.
49807493 is a deficient number, since it is larger than the sum of its proper divisors (2621467).
49807493 is a wasteful number, since it uses less digits than its factorization.
49807493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2621466.
The product of its (nonzero) digits is 217728, while the sum is 44.
The square root of 49807493 is about 7057.4423837535. The cubic root of 49807493 is about 367.9297405447.
The spelling of 49807493 in words is "forty-nine million, eight hundred seven thousand, four hundred ninety-three".
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