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536440420 = 22526822021
BaseRepresentation
bin11111111110010…
…110111001100100
31101101101222220201
4133332112321210
52044312043140
6125121440244
716202445145
oct3776267144
91341358821
10536440420
1125589669a
1212b7a0084
13871a3689
145135dacc
153216549a
hex1ff96e64

536440420 has 12 divisors (see below), whose sum is σ = 1126524924. Its totient is φ = 214576160.

The previous prime is 536440409. The next prime is 536440439. The reversal of 536440420 is 24044635.

It can be written as a sum of positive squares in 2 ways, for example, as 201696804 + 334743616 = 14202^2 + 18296^2 .

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 3 ways as a sum of consecutive naturals, for example, 13410991 + ... + 13411030.

It is an arithmetic number, because the mean of its divisors is an integer number (93877077).

Almost surely, 2536440420 is an apocalyptic number.

It is an amenable number.

536440420 is an abundant number, since it is smaller than the sum of its proper divisors (590084504).

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

536440420 is a wasteful number, since it uses less digits than its factorization.

536440420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26822030 (or 26822028 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 536440420 is about 23161.1834758071. The cubic root of 536440420 is about 812.5320451267.

The spelling of 536440420 in words is "five hundred thirty-six million, four hundred forty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 26822021 53644042 107288084 134110105 268220210 536440420