Search a number
-
+
86140 = 2255973
BaseRepresentation
bin10101000001111100
311101011101
4111001330
510224030
61502444
7506065
oct250174
9141141
1086140
115979a
1241a24
1330292
142356c
151a7ca
hex1507c

86140 has 24 divisors (see below), whose sum is σ = 186480. Its totient is φ = 33408.

The previous prime is 86137. The next prime is 86143. The reversal of 86140 is 4168.

86140 is nontrivially palindromic in base 9.

It is an interprime number because it is at equal distance from previous prime (86137) and next prime (86143).

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86143) 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, 1144 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (7770).

286140 is an apocalyptic number.

It is an amenable number.

86140 is an abundant number, since it is smaller than the sum of its proper divisors (100340).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93240).

86140 is a wasteful number, since it uses less digits than its factorization.

86140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 86140 is about 293.4961669256. The cubic root of 86140 is about 44.1639886039.

The spelling of 86140 in words is "eighty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 59 73 118 146 236 292 295 365 590 730 1180 1460 4307 8614 17228 21535 43070 86140