Base | Representation |
---|---|
bin | 1011110001010… |
… | …1100101100011 |
3 | 10102220022221202 |
4 | 2330111211203 |
5 | 100114341431 |
6 | 4522111415 |
7 | 1136436131 |
oct | 274254543 |
9 | 112808852 |
10 | 49371491 |
11 | 25961594 |
12 | 1464b56b |
13 | a2c8300 |
14 | 67b2751 |
15 | 45038cb |
hex | 2f15963 |
49371491 has 12 divisors (see below), whose sum is σ = 53670240. Its totient is φ = 45396000.
The previous prime is 49371463. The next prime is 49371529. The reversal of 49371491 is 19417394.
It is not a de Polignac number, because 49371491 - 210 = 49370467 is a prime.
It is not an unprimeable number, because it can be changed into a prime (49371391) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65366 + ... + 66116.
It is an arithmetic number, because the mean of its divisors is an integer number (4472520).
Almost surely, 249371491 is an apocalyptic number.
49371491 is a deficient number, since it is larger than the sum of its proper divisors (4298749).
49371491 is a wasteful number, since it uses less digits than its factorization.
49371491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1166 (or 1153 counting only the distinct ones).
The product of its digits is 27216, while the sum is 38.
The square root of 49371491 is about 7026.4849676065. The cubic root of 49371491 is about 366.8530051039.
The spelling of 49371491 in words is "forty-nine million, three hundred seventy-one thousand, four hundred ninety-one".
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