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85380867 = 321121337163
BaseRepresentation
bin1010001011011…
…00111100000011
312221122210112100
411011230330003
5133324141432
612250001443
72054503545
oct505547403
9187583470
1085380867
1144216a00
1224716283
13148c5630
14b4a7695
15776807c
hex516cf03

85380867 has 72 divisors (see below), whose sum is σ = 150851792. Its totient is φ = 46189440.

The previous prime is 85380857. The next prime is 85380871. The reversal of 85380867 is 76808358.

It is not a de Polignac number, because 85380867 - 27 = 85380739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85380857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 523728 + ... + 523890.

Almost surely, 285380867 is an apocalyptic number.

85380867 is a deficient number, since it is larger than the sum of its proper divisors (65470925).

85380867 is a wasteful number, since it uses less digits than its factorization.

85380867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 85380867 is about 9240.1767840231. The cubic root of 85380867 is about 440.3386975482.

The spelling of 85380867 in words is "eighty-five million, three hundred eighty thousand, eight hundred sixty-seven".

Divisors: 1 3 9 11 13 33 37 39 99 111 117 121 143 163 333 363 407 429 481 489 1089 1221 1287 1443 1467 1573 1793 2119 3663 4329 4477 4719 5291 5379 6031 6357 13431 14157 15873 16137 18093 19071 19723 23309 40293 47619 54279 58201 59169 66341 69927 78403 174603 177507 199023 209781 235209 256399 523809 597069 705627 729751 769197 862433 2189253 2307591 2587299 6567759 7761897 9486763 28460289 85380867