Search a number
-
+
427513 is a prime number
BaseRepresentation
bin1101000010111111001
3210201102211
41220113321
5102140023
613055121
73430252
oct1502771
9721384
10427513
11272219
121874a1
1311c788
14b1b29
1586a0d
hex685f9

427513 has 2 divisors, whose sum is σ = 427514. Its totient is φ = 427512.

The previous prime is 427477. The next prime is 427517. The reversal of 427513 is 315724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344569 + 82944 = 587^2 + 288^2 .

It is a cyclic number.

It is not a de Polignac number, because 427513 - 29 = 427001 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (427517) 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 as a sum of consecutive naturals, namely, 213756 + 213757.

It is an arithmetic number, because the mean of its divisors is an integer number (213757).

2427513 is an apocalyptic number.

It is an amenable number.

427513 is a deficient number, since it is larger than the sum of its proper divisors (1).

427513 is an equidigital number, since it uses as much as digits as its factorization.

427513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 22.

The square root of 427513 is about 653.8447828040. The cubic root of 427513 is about 75.3326263193.

The spelling of 427513 in words is "four hundred twenty-seven thousand, five hundred thirteen".