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424860 = 22357397
BaseRepresentation
bin1100111101110011100
3210120210120
41213232130
5102043420
613034540
73416442
oct1475634
9716716
10424860
11270227
12185a50
1311b4c7
14b0b92
1585d40
hex67b9c

424860 has 48 divisors (see below), whose sum is σ = 1218336. Its totient is φ = 110592.

The previous prime is 424849. The next prime is 424861. The reversal of 424860 is 68424.

424860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 424860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424861) 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, 4332 + ... + 4428.

It is an arithmetic number, because the mean of its divisors is an integer number (25382).

2424860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609168).

424860 is an abundant number, since it is smaller than the sum of its proper divisors (793476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424860 is a wasteful number, since it uses less digits than its factorization.

424860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 424860 is about 651.8128565777. The cubic root of 424860 is about 75.1764733254.

Subtracting from 424860 its product of nonzero digits (1536), we obtain a palindrome (423324).

The spelling of 424860 in words is "four hundred twenty-four thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 73 97 146 194 219 291 292 365 388 438 485 582 730 876 970 1095 1164 1455 1460 1940 2190 2910 4380 5820 7081 14162 21243 28324 35405 42486 70810 84972 106215 141620 212430 424860