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424285 = 584857
BaseRepresentation
bin1100111100101011101
3210120000021
41213211131
5102034120
613032141
73414661
oct1474535
9716007
10424285
1126a854
12185651
1311b174
14b08a1
1585aaa
hex6795d

424285 has 4 divisors (see below), whose sum is σ = 509148. Its totient is φ = 339424.

The previous prime is 424273. The next prime is 424313. The reversal of 424285 is 582424.

It is a happy number.

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 139129 + 285156 = 373^2 + 534^2 .

It is a cyclic number.

It is not a de Polignac number, because 424285 - 27 = 424157 is a prime.

It is a super-2 number, since 2×4242852 = 360035522450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42424 + ... + 42433.

It is an arithmetic number, because the mean of its divisors is an integer number (127287).

2424285 is an apocalyptic number.

It is an amenable number.

424285 is a deficient number, since it is larger than the sum of its proper divisors (84863).

424285 is an equidigital number, since it uses as much as digits as its factorization.

424285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84862.

The product of its digits is 2560, while the sum is 25.

The square root of 424285 is about 651.3716297169. The cubic root of 424285 is about 75.1425437270.

The spelling of 424285 in words is "four hundred twenty-four thousand, two hundred eighty-five".

Divisors: 1 5 84857 424285