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285320495716 = 2240926532
BaseRepresentation
bin1000010011011100110…
…11010100001001100100
31000021110110211221112021
410021232123110021210
514133314021330331
6335024024232524
726420336124634
oct4115633241144
91007413757467
10285320495716
11100004a88483
124736930b744
1320ba08085b9
14db497086c4
15764daa6211
hex426e6d4264

285320495716 has 27 divisors (see below), whose sum is σ = 501302350731. Its totient is φ = 142093510464.

The previous prime is 285320495699. The next prime is 285320495717. The reversal of 285320495716 is 617594023582.

The square root of 285320495716 is 534154.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 11891902500 + 273428593216 = 109050^2 + 522904^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285320495717) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 436937646 + ... + 436938298.

It is a 1-persistent number, because it is pandigital, but 2⋅285320495716 = 570640991432 is not.

Almost surely, 2285320495716 is an apocalyptic number.

285320495716 is the 534154-th square number.

It is an amenable number.

285320495716 is a deficient number, since it is larger than the sum of its proper divisors (215981855015).

285320495716 is an frugal number, since it uses more digits than its factorization.

285320495716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 285320495716 in words is "two hundred eighty-five billion, three hundred twenty million, four hundred ninety-five thousand, seven hundred sixteen".

Divisors: 1 2 4 409 653 818 1306 1636 2612 167281 267077 334562 426409 534154 669124 852818 1068308 1705636 109234493 174401281 218468986 348802562 436937972 697605124 71330123929 142660247858 285320495716