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328026285 = 32510172173
BaseRepresentation
bin10011100011010…
…100100010101101
3211212020110110200
4103203110202231
51132433320120
652314424113
711062114566
oct2343244255
9755213420
10328026285
11159187004
1291a32039
1352c615c2
14317cb16d
151dbe7e90
hex138d48ad

328026285 has 24 divisors (see below), whose sum is σ = 574216344. Its totient is φ = 173212800.

The previous prime is 328026277. The next prime is 328026311. The reversal of 328026285 is 582620823.

328026285 is a `hidden beast` number, since 3 + 28 + 0 + 2 + 628 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 45887076 + 282139209 = 6774^2 + 16797^2 .

It is not a de Polignac number, because 328026285 - 23 = 328026277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31542 + ... + 40631.

It is an arithmetic number, because the mean of its divisors is an integer number (23925681).

Almost surely, 2328026285 is an apocalyptic number.

It is an amenable number.

328026285 is a deficient number, since it is larger than the sum of its proper divisors (246190059).

328026285 is a wasteful number, since it uses less digits than its factorization.

328026285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72285 (or 72282 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 328026285 is about 18111.4959349028. The cubic root of 328026285 is about 689.6618696150.

The spelling of 328026285 in words is "three hundred twenty-eight million, twenty-six thousand, two hundred eighty-five".

Divisors: 1 3 5 9 15 45 101 303 505 909 1515 4545 72173 216519 360865 649557 1082595 3247785 7289473 21868419 36447365 65605257 109342095 328026285