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524425040 = 24559137811
BaseRepresentation
bin11111010000100…
…001011101010000
31100112210112220122
4133100201131100
52033223100130
6124012125412
715665352656
oct3720413520
91315715818
10524425040
1124a02a327
12127766868
1384857699
144d912dd6
15310902e5
hex1f421750

524425040 has 80 divisors (see below), whose sum is σ = 1250544960. Its totient is φ = 204456960.

The previous prime is 524425039. The next prime is 524425043. The reversal of 524425040 is 40524425.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524425043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646235 + ... + 647045.

It is an arithmetic number, because the mean of its divisors is an integer number (15631812).

Almost surely, 2524425040 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 524425040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625272480).

524425040 is an abundant number, since it is smaller than the sum of its proper divisors (726119920).

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

524425040 is a wasteful number, since it uses less digits than its factorization.

524425040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 524425040 is about 22900.3283819250. The cubic root of 524425040 is about 806.4197211757.

Adding to 524425040 its reverse (40524425), we get a palindrome (564949465).

The spelling of 524425040 in words is "five hundred twenty-four million, four hundred twenty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 59 80 118 137 236 274 295 472 548 590 685 811 944 1096 1180 1370 1622 2192 2360 2740 3244 4055 4720 5480 6488 8083 8110 10960 12976 16166 16220 32332 32440 40415 47849 64664 64880 80830 95698 111107 129328 161660 191396 222214 239245 323320 382792 444428 478490 555535 646640 765584 888856 956980 1111070 1777712 1913960 2222140 3827920 4444280 6555313 8888560 13110626 26221252 32776565 52442504 65553130 104885008 131106260 262212520 524425040