Base | Representation |
---|---|
bin | 1011110001100… |
… | …0000110001011 |
3 | 10102220212001111 |
4 | 2330120012023 |
5 | 100120204041 |
6 | 4522231151 |
7 | 1136511115 |
oct | 274300613 |
9 | 112825044 |
10 | 49381771 |
11 | 2596928a |
12 | 146554b7 |
13 | a2ccbaa |
14 | 67b63b5 |
15 | 4506981 |
hex | 2f1818b |
49381771 has 2 divisors, whose sum is σ = 49381772. Its totient is φ = 49381770.
The previous prime is 49381721. The next prime is 49381781. The reversal of 49381771 is 17718394.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 49381771 - 29 = 49381259 is a prime.
It is not a weakly prime, because it can be changed into another prime (49381711) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24690885 + 24690886.
It is an arithmetic number, because the mean of its divisors is an integer number (24690886).
Almost surely, 249381771 is an apocalyptic number.
49381771 is a deficient number, since it is larger than the sum of its proper divisors (1).
49381771 is an equidigital number, since it uses as much as digits as its factorization.
49381771 is an evil number, because the sum of its binary digits is even.
The product of its digits is 42336, while the sum is 40.
The square root of 49381771 is about 7027.2164474990. The cubic root of 49381771 is about 366.8784650546.
The spelling of 49381771 in words is "forty-nine million, three hundred eighty-one thousand, seven hundred seventy-one".
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