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328802085 = 355270619
BaseRepresentation
bin10011100110010…
…001111100100101
3211220200212200000
4103212101330211
51133133131320
652343211513
711101525443
oct2346217445
9756625600
10328802085
11159666967
1292146b99
1353173761
143194db93
151dcecc90
hex13991f25

328802085 has 24 divisors (see below), whose sum is σ = 591034080. Its totient is φ = 175360464.

The previous prime is 328802081. The next prime is 328802129. The reversal of 328802085 is 580208823.

It is not a de Polignac number, because 328802085 - 22 = 328802081 is a prime.

It is a super-2 number, since 2×3288020852 = 216221622200694450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328802081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134095 + ... + 136524.

It is an arithmetic number, because the mean of its divisors is an integer number (24626420).

Almost surely, 2328802085 is an apocalyptic number.

It is an amenable number.

328802085 is a deficient number, since it is larger than the sum of its proper divisors (262231995).

328802085 is an equidigital number, since it uses as much as digits as its factorization.

328802085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270639 (or 270627 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 328802085 is about 18132.9006229009. The cubic root of 328802085 is about 690.2051374941.

The spelling of 328802085 in words is "three hundred twenty-eight million, eight hundred two thousand, eighty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 1215 270619 811857 1353095 2435571 4059285 7306713 12177855 21920139 36533565 65760417 109600695 328802085