Base | Representation |
---|---|
bin | 1000000110100001… |
… | …1110001000100100 |
3 | 12121120101211211200 |
4 | 2001220132020210 |
5 | 13423231320202 |
6 | 555451002500 |
7 | 104616043005 |
oct | 20150361044 |
9 | 5546354750 |
10 | 2174870052 |
11 | a16726073 |
12 | 508439430 |
13 | 288773274 |
14 | 168bb91ac |
15 | cae05e1c |
hex | 81a1e224 |
2174870052 has 36 divisors (see below), whose sum is σ = 5601321180. Its totient is φ = 711277632.
The previous prime is 2174869987. The next prime is 2174870059. The reversal of 2174870052 is 2500784712.
It can be written as a sum of positive squares in 2 ways, for example, as 1626186276 + 548683776 = 40326^2 + 23424^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 2174869989 and 2174870016.
It is not an unprimeable number, because it can be changed into a prime (2174870059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568027 + ... + 571842.
It is an arithmetic number, because the mean of its divisors is an integer number (155592255).
Almost surely, 22174870052 is an apocalyptic number.
It is an amenable number.
2174870052 is an abundant number, since it is smaller than the sum of its proper divisors (3426451128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2174870052 is a wasteful number, since it uses less digits than its factorization.
2174870052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1139932 (or 1139927 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 36.
The square root of 2174870052 is about 46635.5020558372. The cubic root of 2174870052 is about 1295.6203806409.
The spelling of 2174870052 in words is "two billion, one hundred seventy-four million, eight hundred seventy thousand, fifty-two".
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