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868071 = 31717021
BaseRepresentation
bin11010011111011100111
31122002202210
43103323213
5210234241
630334503
710243551
oct3237347
91562683
10868071
11543216
1235a433
13245169
141884d1
15122316
hexd3ee7

868071 has 8 divisors (see below), whose sum is σ = 1225584. Its totient is φ = 544640.

The previous prime is 868069. The next prime is 868073. The reversal of 868071 is 170868.

It is an interprime number because it is at equal distance from previous prime (868069) and next prime (868073).

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

It is a cyclic number.

It is not a de Polignac number, because 868071 - 21 = 868069 is a prime.

It is a super-2 number, since 2×8680712 = 1507094522082, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868071.

It is not an unprimeable number, because it can be changed into a prime (868073) 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, 8460 + ... + 8561.

It is an arithmetic number, because the mean of its divisors is an integer number (153198).

2868071 is an apocalyptic number.

868071 is a deficient number, since it is larger than the sum of its proper divisors (357513).

868071 is a wasteful number, since it uses less digits than its factorization.

868071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17041.

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

The square root of 868071 is about 931.7032789467. The cubic root of 868071 is about 95.3934192860.

The spelling of 868071 in words is "eight hundred sixty-eight thousand, seventy-one".

Divisors: 1 3 17 51 17021 51063 289357 868071