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535920020 = 22541653561
BaseRepresentation
bin11111111100010…
…111110110010100
31101100102120001122
4133330113312110
52044143420040
6125102343112
716165150016
oct3774276624
91340376048
10535920020
11255570709
1212b58aa98
138705084c
14512661b6
15320b11b5
hex1ff17d94

535920020 has 24 divisors (see below), whose sum is σ = 1152883368. Its totient is φ = 209139200.

The previous prime is 535920013. The next prime is 535920031. The reversal of 535920020 is 20029535.

It can be written as a sum of positive squares in 4 ways, for example, as 37112464 + 498807556 = 6092^2 + 22334^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325961 + ... + 327600.

It is an arithmetic number, because the mean of its divisors is an integer number (48036807).

Almost surely, 2535920020 is an apocalyptic number.

It is an amenable number.

535920020 is an abundant number, since it is smaller than the sum of its proper divisors (616963348).

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

535920020 is a wasteful number, since it uses less digits than its factorization.

535920020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653611 (or 653609 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 535920020 is about 23149.9464362231. The cubic root of 535920020 is about 812.2692147688.

Adding to 535920020 its reverse (20029535), we get a palindrome (555949555).

The spelling of 535920020 in words is "five hundred thirty-five million, nine hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 653561 1307122 2614244 3267805 6535610 13071220 26796001 53592002 107184004 133980005 267960010 535920020