Base | Representation |
---|---|
bin | 1000000001001100… |
… | …0100011001010110 |
3 | 12120000021102202000 |
4 | 2000103010121112 |
5 | 13402013414030 |
6 | 553331100130 |
7 | 104224540602 |
oct | 20023043126 |
9 | 5500242660 |
10 | 2152482390 |
11 | a05024973 |
12 | 500a41646 |
13 | 283c35126 |
14 | 165c2c502 |
15 | c8e82860 |
hex | 804c4656 |
2152482390 has 128 divisors (see below), whose sum is σ = 5900843520. Its totient is φ = 558036864.
The previous prime is 2152482379. The next prime is 2152482391. The reversal of 2152482390 is 932842512.
It is a happy number.
2152482390 is a `hidden beast` number, since 21 + 5 + 248 + 2 + 390 = 666.
It is a super-2 number, since 2×21524823902 = 9266360878520224200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2152482391) 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 63 ways as a sum of consecutive naturals, for example, 4608937 + ... + 4609403.
It is an arithmetic number, because the mean of its divisors is an integer number (46100340).
Almost surely, 22152482390 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2152482390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2950421760).
2152482390 is an abundant number, since it is smaller than the sum of its proper divisors (3748361130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2152482390 is a wasteful number, since it uses less digits than its factorization.
2152482390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 923 (or 917 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 2152482390 is about 46394.8530550534. The cubic root of 2152482390 is about 1291.1594227412.
The spelling of 2152482390 in words is "two billion, one hundred fifty-two million, four hundred eighty-two thousand, three hundred ninety".
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