Search a number
-
+
8645474652 = 223799119699
BaseRepresentation
bin10000000110100111…
…10111100101011100
3211022111222121122220
420003103313211130
5120201220142102
63545514305340
7424146215313
oct100323674534
924274877586
108645474652
113737166081
121813428250
13a7a1a1399
145c02cb27a
15358eec1bc
hex2034f795c

8645474652 has 24 divisors (see below), whose sum is σ = 20428128000. Its totient is φ = 2845345776.

The previous prime is 8645474633. The next prime is 8645474653. The reversal of 8645474652 is 2564745468.

8645474652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×86454746522 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8645474595 and 8645474604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8645474653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4558902 + ... + 4560797.

It is an arithmetic number, because the mean of its divisors is an integer number (851172000).

Almost surely, 28645474652 is an apocalyptic number.

It is an amenable number.

8645474652 is an abundant number, since it is smaller than the sum of its proper divisors (11782653348).

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

8645474652 is a wasteful number, since it uses less digits than its factorization.

8645474652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9119785 (or 9119783 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 51.

The square root of 8645474652 is about 92981.0445843668. The cubic root of 8645474652 is about 2052.4044483571.

The spelling of 8645474652 in words is "eight billion, six hundred forty-five million, four hundred seventy-four thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 9119699 18239398 27359097 36478796 54718194 109436388 720456221 1440912442 2161368663 2881824884 4322737326 8645474652