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525244020 = 223572694649
BaseRepresentation
bin11111010011101…
…001011001110100
31100121100011100020
4133103221121310
52033430302040
6124041445140
716005333450
oct3723513164
91317304306
10525244020
1124a539674
12127aa07b0
1384a833a2
144da87660
15311a2cd0
hex1f4e9674

525244020 has 96 divisors (see below), whose sum is σ = 1687392000. Its totient is φ = 119583744.

The previous prime is 525243997. The next prime is 525244033. The reversal of 525244020 is 20442525.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110656 + ... + 115304.

It is an arithmetic number, because the mean of its divisors is an integer number (17577000).

Almost surely, 2525244020 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 525244020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843696000).

525244020 is an abundant number, since it is smaller than the sum of its proper divisors (1162147980).

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

525244020 is a wasteful number, since it uses less digits than its factorization.

525244020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937 (or 4935 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 525244020 is about 22918.2028091210. The cubic root of 525244020 is about 806.8392905917.

Adding to 525244020 its reverse (20442525), we get a palindrome (545686545).

The spelling of 525244020 in words is "five hundred twenty-five million, two hundred forty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 269 420 538 807 1076 1345 1614 1883 2690 3228 3766 4035 4649 5380 5649 7532 8070 9298 9415 11298 13947 16140 18596 18830 22596 23245 27894 28245 32543 37660 46490 55788 56490 65086 69735 92980 97629 112980 130172 139470 162715 195258 278940 325430 390516 488145 650860 976290 1250581 1952580 2501162 3751743 5002324 6252905 7503486 8754067 12505810 15006972 17508134 18758715 25011620 26262201 35016268 37517430 43770335 52524402 75034860 87540670 105048804 131311005 175081340 262622010 525244020