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424479 = 31119677
BaseRepresentation
bin1100111101000011111
3210120021110
41213220133
5102040404
613033103
73415356
oct1475037
9716243
10424479
1126aa10
12185793
1311b293
14b099d
1585b89
hex67a1f

424479 has 16 divisors (see below), whose sum is σ = 650880. Its totient is φ = 243360.

The previous prime is 424471. The next prime is 424481. The reversal of 424479 is 974424.

It is not a de Polignac number, because 424479 - 23 = 424471 is a prime.

424479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289 + ... + 965.

It is an arithmetic number, because the mean of its divisors is an integer number (40680).

2424479 is an apocalyptic number.

424479 is a deficient number, since it is larger than the sum of its proper divisors (226401).

424479 is a wasteful number, since it uses less digits than its factorization.

424479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710.

The product of its digits is 8064, while the sum is 30.

The square root of 424479 is about 651.5205292238. The cubic root of 424479 is about 75.1539947031.

Subtracting 424479 from its reverse (974424), we obtain a palindrome (549945).

It can be divided in two parts, 424 and 479, that added together give a triangular number (903 = T42).

The spelling of 424479 in words is "four hundred twenty-four thousand, four hundred seventy-nine".

Divisors: 1 3 11 19 33 57 209 627 677 2031 7447 12863 22341 38589 141493 424479