Search a number
-
+
86230 = 258623
BaseRepresentation
bin10101000011010110
311101021201
4111003112
510224410
61503114
7506254
oct250326
9141251
1086230
1159871
1241a9a
1330331
14235d4
151a83a
hex150d6

86230 has 8 divisors (see below), whose sum is σ = 155232. Its totient is φ = 34488.

The previous prime is 86209. The next prime is 86239. The reversal of 86230 is 3268.

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

It is a super-2 number, since 2×862302 = 14871225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86198 and 86207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86239) by changing a digit.

86230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4302 + ... + 4321.

It is an arithmetic number, because the mean of its divisors is an integer number (19404).

286230 is an apocalyptic number.

86230 is a deficient number, since it is larger than the sum of its proper divisors (69002).

86230 is a wasteful number, since it uses less digits than its factorization.

86230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 86230 is about 293.6494508764. The cubic root of 86230 is about 44.1793642539.

Adding to 86230 its reverse (3268), we get a palindrome (89498).

The spelling of 86230 in words is "eighty-six thousand, two hundred thirty".

Divisors: 1 2 5 10 8623 17246 43115 86230