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864108 = 22357127
BaseRepresentation
bin11010010111101101100
31121220100000
43102331230
5210122413
630304300
710226160
oct3227554
91556300
10864108
11540243
12358090
1324340b
14186ca0
15121073
hexd2f6c

864108 has 72 divisors (see below), whose sum is σ = 2609152. Its totient is φ = 244944.

The previous prime is 864107. The next prime is 864119. The reversal of 864108 is 801468.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (864103) 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, 6741 + ... + 6867.

2864108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1304576).

864108 is an abundant number, since it is smaller than the sum of its proper divisors (1745044).

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

864108 is a wasteful number, since it uses less digits than its factorization.

864108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 864108 is about 929.5740960246. The cubic root of 864108 is about 95.2480314554.

The spelling of 864108 in words is "eight hundred sixty-four thousand, one hundred eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 127 162 189 243 252 254 324 378 381 486 508 567 756 762 889 972 1134 1143 1524 1701 1778 2268 2286 2667 3402 3429 3556 4572 5334 6804 6858 8001 10287 10668 13716 16002 20574 24003 30861 32004 41148 48006 61722 72009 96012 123444 144018 216027 288036 432054 864108