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284019085 = 5717243653
BaseRepresentation
bin10000111011011…
…100100110001101
3201210102122221101
4100323130212031
51040202102320
644103303101
710016056660
oct2073344615
9653378841
10284019085
11136359819
127b14aa91
1346ac3b3c
1429a136d7
1519e03c0a
hex10edc98d

284019085 has 48 divisors (see below), whose sum is σ = 424043136. Its totient is φ = 178762752.

The previous prime is 284019079. The next prime is 284019107. The reversal of 284019085 is 580910482.

It is not a de Polignac number, because 284019085 - 219 = 283494797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 434619 + ... + 435271.

It is an arithmetic number, because the mean of its divisors is an integer number (8834232).

Almost surely, 2284019085 is an apocalyptic number.

It is an amenable number.

284019085 is a deficient number, since it is larger than the sum of its proper divisors (140024051).

284019085 is a wasteful number, since it uses less digits than its factorization.

284019085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 284019085 is about 16852.8657800387. The cubic root of 284019085 is about 657.3285687989.

The spelling of 284019085 in words is "two hundred eighty-four million, nineteen thousand, eighty-five".

Divisors: 1 5 7 17 35 43 85 119 215 289 301 595 653 731 1445 1505 2023 3265 3655 4571 5117 10115 11101 12427 22855 25585 28079 55505 62135 77707 86989 140395 188717 196553 388535 434945 477343 943585 982765 1321019 2386715 3341401 6605095 8114831 16707005 40574155 56803817 284019085