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86078 = 2193223
BaseRepresentation
bin10101000000111110
311101002002
4111000332
510223303
61502302
7505646
oct250076
9141062
1086078
1159743
1241992
1330245
1423526
151a788
hex1503e

86078 has 8 divisors (see below), whose sum is σ = 130368. Its totient is φ = 42624.

The previous prime is 86077. The next prime is 86083. The reversal of 86078 is 87068.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275 + ... + 497.

It is an arithmetic number, because the mean of its divisors is an integer number (16296).

286078 is an apocalyptic number.

86078 is a deficient number, since it is larger than the sum of its proper divisors (44290).

86078 is a wasteful number, since it uses less digits than its factorization.

86078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 86078 is about 293.3905247277. The cubic root of 86078 is about 44.1533902582.

Subtracting 86078 from its reverse (87068), we obtain a triangular number (990 = T44).

The spelling of 86078 in words is "eighty-six thousand, seventy-eight".

Divisors: 1 2 193 223 386 446 43039 86078