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424263 = 3789227
BaseRepresentation
bin1100111100101000111
3210112222110
41213211013
5102034023
613032103
73414630
oct1474507
9715873
10424263
1126a834
12185633
1311b158
14b0887
1585a93
hex67947

424263 has 16 divisors (see below), whose sum is σ = 656640. Its totient is φ = 238656.

The previous prime is 424261. The next prime is 424267. The reversal of 424263 is 362424.

It is not a de Polignac number, because 424263 - 21 = 424261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424261) 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 15 ways as a sum of consecutive naturals, for example, 1756 + ... + 1982.

It is an arithmetic number, because the mean of its divisors is an integer number (41040).

2424263 is an apocalyptic number.

424263 is a deficient number, since it is larger than the sum of its proper divisors (232377).

424263 is a wasteful number, since it uses less digits than its factorization.

424263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its digits is 1152, while the sum is 21.

The square root of 424263 is about 651.3547420569. The cubic root of 424263 is about 75.1412449423.

Adding to 424263 its reverse (362424), we get a palindrome (786687).

The spelling of 424263 in words is "four hundred twenty-four thousand, two hundred sixty-three".

Divisors: 1 3 7 21 89 227 267 623 681 1589 1869 4767 20203 60609 141421 424263