Search a number
-
+
424291 = 731237
BaseRepresentation
bin1100111100101100011
3210120000111
41213211203
5102034131
613032151
73415000
oct1474543
9716014
10424291
1126a85a
12185657
1311b17a
14b08a7
1585ab1
hex67963

424291 has 8 divisors (see below), whose sum is σ = 495200. Its totient is φ = 363384.

The previous prime is 424273. The next prime is 424313. The reversal of 424291 is 192424.

It is not a de Polignac number, because 424291 - 27 = 424163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276 + ... + 961.

It is an arithmetic number, because the mean of its divisors is an integer number (61900).

2424291 is an apocalyptic number.

424291 is a deficient number, since it is larger than the sum of its proper divisors (70909).

424291 is an equidigital number, since it uses as much as digits as its factorization.

424291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1244 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 424291 is about 651.3762353663. The cubic root of 424291 is about 75.1428979332.

The spelling of 424291 in words is "four hundred twenty-four thousand, two hundred ninety-one".

Divisors: 1 7 49 343 1237 8659 60613 424291