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285056716 = 22721454371
BaseRepresentation
bin10000111111011…
…001111011001100
3201212101101022011
4100333121323030
51040433303331
644141431004
710030641100
oct2077317314
9655341264
10285056716
111369a836a
127b56b464
1347098219
1429c03900
151a05b3b1
hex10fd9ecc

285056716 has 18 divisors (see below), whose sum is σ = 580294428. Its totient is φ = 122167080.

The previous prime is 285056701. The next prime is 285056729. The reversal of 285056716 is 617650582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 726990 + ... + 727381.

Almost surely, 2285056716 is an apocalyptic number.

It is an amenable number.

285056716 is an abundant number, since it is smaller than the sum of its proper divisors (295237712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285056716 is a wasteful number, since it uses less digits than its factorization.

285056716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454389 (or 1454380 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 285056716 is about 16883.6227155193. The cubic root of 285056716 is about 658.1280873327.

The spelling of 285056716 in words is "two hundred eighty-five million, fifty-six thousand, seven hundred sixteen".

Divisors: 1 2 4 7 14 28 49 98 196 1454371 2908742 5817484 10180597 20361194 40722388 71264179 142528358 285056716