Search a number
-
+
286057328 = 24414310141
BaseRepresentation
bin10001000011001…
…110001101110000
3201221021012212212
4101003032031300
51041212313303
644215111252
710042306244
oct2103161560
9657235785
10286057328
11137521117
127b972528
13473587bb
1429dc4424
151a1a7ad8
hex110ce370

286057328 has 40 divisors (see below), whose sum is σ = 581014896. Its totient is φ = 136281600.

The previous prime is 286057301. The next prime is 286057337. The reversal of 286057328 is 823750682.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23138 + ... + 33278.

Almost surely, 2286057328 is an apocalyptic number.

It is an amenable number.

286057328 is an abundant number, since it is smaller than the sum of its proper divisors (294957568).

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

286057328 is a wasteful number, since it uses less digits than its factorization.

286057328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10233 (or 10227 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 286057328 is about 16913.2293782116. The cubic root of 286057328 is about 658.8972463507.

The spelling of 286057328 in words is "two hundred eighty-six million, fifty-seven thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 41 43 82 86 164 172 328 344 656 688 1763 3526 7052 10141 14104 20282 28208 40564 81128 162256 415781 436063 831562 872126 1663124 1744252 3326248 3488504 6652496 6977008 17878583 35757166 71514332 143028664 286057328