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328885845 = 3571308813
BaseRepresentation
bin10011100110100…
…110011001010101
3211220212010120020
4103212212121111
51133143321340
652345055353
711102324601
oct2346463125
9756763506
10328885845
11159713892
1292187559
13531a2912
1431972501
151dd179d0
hex139a6655

328885845 has 16 divisors (see below), whose sum is σ = 533630592. Its totient is φ = 172934720.

The previous prime is 328885819. The next prime is 328885847. The reversal of 328885845 is 548588823.

It is not a de Polignac number, because 328885845 - 25 = 328885813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328885847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153342 + ... + 155471.

It is an arithmetic number, because the mean of its divisors is an integer number (33351912).

Almost surely, 2328885845 is an apocalyptic number.

It is an amenable number.

328885845 is a deficient number, since it is larger than the sum of its proper divisors (204744747).

328885845 is a wasteful number, since it uses less digits than its factorization.

328885845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308892.

The product of its digits is 2457600, while the sum is 51.

The square root of 328885845 is about 18135.2100897674. The cubic root of 328885845 is about 690.2637408066.

The spelling of 328885845 in words is "three hundred twenty-eight million, eight hundred eighty-five thousand, eight hundred forty-five".

Divisors: 1 3 5 15 71 213 355 1065 308813 926439 1544065 4632195 21925723 65777169 109628615 328885845