Search a number
-
+
286042 = 21747179
BaseRepresentation
bin1000101110101011010
3112112101011
41011311122
533123132
610044134
72300641
oct1056532
9475334
10286042
111859a9
1211964a
13a0273
1476358
1559b47
hex45d5a

286042 has 16 divisors (see below), whose sum is σ = 466560. Its totient is φ = 131008.

The previous prime is 286019. The next prime is 286043. The reversal of 286042 is 240682.

It is not an unprimeable number, because it can be changed into a prime (286043) 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, 1509 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2286042 is an apocalyptic number.

286042 is a deficient number, since it is larger than the sum of its proper divisors (180518).

286042 is a wasteful number, since it uses less digits than its factorization.

286042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 286042 is about 534.8289446169. The cubic root of 286042 is about 65.8885477431. Note that the first 3 decimals are identical.

The spelling of 286042 in words is "two hundred eighty-six thousand, forty-two".

Divisors: 1 2 17 34 47 94 179 358 799 1598 3043 6086 8413 16826 143021 286042