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285674116 = 227213191587
BaseRepresentation
bin10001000001110…
…000101010000100
3201220112202012211
4101001300222010
51041113032431
644202553204
710036122100
oct2101605204
9656482184
10285674116
1113728a212
127b808804
1347253250
1429d24900
151a12e2b1
hex11070a84

285674116 has 72 divisors (see below), whose sum is σ = 630637056. Its totient is φ = 112230720.

The previous prime is 285674107. The next prime is 285674117. The reversal of 285674116 is 611476582.

It is not an unprimeable number, because it can be changed into a prime (285674117) 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, 486375 + ... + 486961.

It is an arithmetic number, because the mean of its divisors is an integer number (8758848).

Almost surely, 2285674116 is an apocalyptic number.

285674116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285674116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315318528).

285674116 is an abundant number, since it is smaller than the sum of its proper divisors (344962940).

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

285674116 is a wasteful number, since it uses less digits than its factorization.

285674116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 800 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 285674116 is about 16901.8968166298. The cubic root of 285674116 is about 658.6028879103.

The spelling of 285674116 in words is "two hundred eighty-five million, six hundred seventy-four thousand, one hundred sixteen".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 191 196 364 382 587 637 764 1174 1274 1337 2348 2483 2548 2674 4109 4966 5348 7631 8218 9359 9932 15262 16436 17381 18718 28763 30524 34762 37436 53417 57526 69524 106834 112117 115052 121667 213668 224234 243334 373919 448468 486668 747838 784819 1457521 1495676 1569638 2915042 3139276 5493733 5830084 10202647 10987466 20405294 21974932 40810588 71418529 142837058 285674116