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159984085 = 5197921317
BaseRepresentation
bin10011000100100…
…10100111010101
3102011001000220111
421202102213111
5311423442320
623513003021
73651561622
oct1142224725
9364030814
10159984085
1182341458
12456b3471
13271b6451
1417367349
15e0a2a5a
hex98929d5

159984085 has 16 divisors (see below), whose sum is σ = 204652800. Its totient is φ = 119710656.

The previous prime is 159984049. The next prime is 159984109. The reversal of 159984085 is 580489951.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-159984085 is a prime.

It is a super-3 number, since 3×1599840853 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3154 + ... + 18163.

It is an arithmetic number, because the mean of its divisors is an integer number (12790800).

Almost surely, 2159984085 is an apocalyptic number.

It is an amenable number.

159984085 is a deficient number, since it is larger than the sum of its proper divisors (44668715).

159984085 is a wasteful number, since it uses less digits than its factorization.

159984085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21420.

The product of its (nonzero) digits is 518400, while the sum is 49.

The square root of 159984085 is about 12648.4815294169. The cubic root of 159984085 is about 542.8655227403.

The spelling of 159984085 in words is "one hundred fifty-nine million, nine hundred eighty-four thousand, eighty-five".

Divisors: 1 5 19 79 95 395 1501 7505 21317 106585 405023 1684043 2025115 8420215 31996817 159984085