Search a number
-
+
428341 = 1014241
BaseRepresentation
bin1101000100100110101
3210202120111
41220210311
5102201331
613103021
73432544
oct1504465
9722514
10428341
11272901
12187a71
1311cc74
14b215b
1586db1
hex68935

428341 has 4 divisors (see below), whose sum is σ = 432684. Its totient is φ = 424000.

The previous prime is 428339. The next prime is 428353. The reversal of 428341 is 143824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 417316 + 11025 = 646^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 428341 - 21 = 428339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020 + ... + 2221.

It is an arithmetic number, because the mean of its divisors is an integer number (108171).

2428341 is an apocalyptic number.

It is an amenable number.

428341 is a deficient number, since it is larger than the sum of its proper divisors (4343).

428341 is a wasteful number, since it uses less digits than its factorization.

428341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342.

The product of its digits is 768, while the sum is 22.

The square root of 428341 is about 654.4776543168. The cubic root of 428341 is about 75.3812292769.

The spelling of 428341 in words is "four hundred twenty-eight thousand, three hundred forty-one".

Divisors: 1 101 4241 428341