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8313864 = 2331326647
BaseRepresentation
bin11111101101110000001000
3120122101110220
4133231300020
54112020424
6454110040
7130444446
oct37556010
916571426
108313864
114769369
12294b320
131951260
141165b96
15ae3579
hex7edc08

8313864 has 32 divisors (see below), whose sum is σ = 22384320. Its totient is φ = 2558016.

The previous prime is 8313847. The next prime is 8313869. The reversal of 8313864 is 4683138.

It is a super-2 number, since 2×83138642 = 138240669220992, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (8313869) 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, 13012 + ... + 13635.

It is an arithmetic number, because the mean of its divisors is an integer number (699510).

Almost surely, 28313864 is an apocalyptic number.

It is an amenable number.

8313864 is an abundant number, since it is smaller than the sum of its proper divisors (14070456).

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

8313864 is a wasteful number, since it uses less digits than its factorization.

8313864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26669 (or 26665 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 8313864 is about 2883.3771865644. The cubic root of 8313864 is about 202.5820548425.

The spelling of 8313864 in words is "eight million, three hundred thirteen thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 26647 53294 79941 106588 159882 213176 319764 346411 639528 692822 1039233 1385644 2078466 2771288 4156932 8313864