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49381771 is a prime number
BaseRepresentation
bin1011110001100…
…0000110001011
310102220212001111
42330120012023
5100120204041
64522231151
71136511115
oct274300613
9112825044
1049381771
112596928a
12146554b7
13a2ccbaa
1467b63b5
154506981
hex2f1818b

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".