Search a number
-
+
285062061 = 3163582949
BaseRepresentation
bin10000111111011…
…011001110101101
3201212101122122010
4100333123032231
51040433441221
644141511433
710030662504
oct2077331655
9655348563
10285062061
11136a01389
127b572579
134709a79b
1429c0583b
151a05cc76
hex10fdb3ad

285062061 has 8 divisors (see below), whose sum is σ = 382415200. Its totient is φ = 188875152.

The previous prime is 285062059. The next prime is 285062077. The reversal of 285062061 is 160260582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 285062061 - 21 = 285062059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285062861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290986 + ... + 291963.

It is an arithmetic number, because the mean of its divisors is an integer number (47801900).

Almost surely, 2285062061 is an apocalyptic number.

It is an amenable number.

285062061 is a deficient number, since it is larger than the sum of its proper divisors (97353139).

285062061 is a wasteful number, since it uses less digits than its factorization.

285062061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583115.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 285062061 is about 16883.7810042656. The cubic root of 285062061 is about 658.1322007511.

The spelling of 285062061 in words is "two hundred eighty-five million, sixty-two thousand, sixty-one".

Divisors: 1 3 163 489 582949 1748847 95020687 285062061