Search a number
-
+
86171241 = 3132349487
BaseRepresentation
bin1010010001011…
…01111001101001
320000010221201110
411020231321221
5134024434431
612314540533
72064305052
oct510557151
9200127643
1086171241
1144706802
1224a37749
1314b11300
14b631729
157872346
hex522de69

86171241 has 24 divisors (see below), whose sum is σ = 125025600. Its totient is φ = 52767936.

The previous prime is 86171167. The next prime is 86171263. The reversal of 86171241 is 14217168.

It is not a de Polignac number, because 86171241 - 29 = 86170729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86171199 and 86171208.

It is not an unprimeable number, because it can be changed into a prime (86171641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176700 + ... + 177186.

It is an arithmetic number, because the mean of its divisors is an integer number (5209400).

Almost surely, 286171241 is an apocalyptic number.

It is an amenable number.

86171241 is a deficient number, since it is larger than the sum of its proper divisors (38854359).

86171241 is a wasteful number, since it uses less digits than its factorization.

86171241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 852 counting only the distinct ones).

The product of its digits is 2688, while the sum is 30.

The square root of 86171241 is about 9282.8466000468. The cubic root of 86171241 is about 441.6932704674.

The spelling of 86171241 in words is "eighty-six million, one hundred seventy-one thousand, two hundred forty-one".

Divisors: 1 3 13 39 169 349 487 507 1047 1461 4537 6331 13611 18993 58981 82303 169963 176943 246909 509889 2209519 6628557 28723747 86171241