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524020 = 225719197
BaseRepresentation
bin1111111111011110100
3222121211011
41333323310
5113232040
615122004
74311520
oct1777364
9877734
10524020
11328782
12213304
13154693
14d8d80
15a53ea
hex7fef4

524020 has 48 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 169344.

The previous prime is 523997. The next prime is 524047. The reversal of 524020 is 20425.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2562 + ... + 2758.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2524020 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 524020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665280).

524020 is an abundant number, since it is smaller than the sum of its proper divisors (806540).

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

524020 is a wasteful number, since it uses less digits than its factorization.

524020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 524020 is about 723.8922571764. The cubic root of 524020 is about 80.6212054781.

Adding to 524020 its reverse (20425), we get a palindrome (544445).

It can be divided in two parts, 5 and 24020, that added together give a square (24025 = 1552).

The spelling of 524020 in words is "five hundred twenty-four thousand, twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 197 266 380 394 532 665 788 985 1330 1379 1970 2660 2758 3743 3940 5516 6895 7486 13790 14972 18715 26201 27580 37430 52402 74860 104804 131005 262010 524020