Base | Representation |
---|---|
bin | 1000111100010011… |
… | …1000000010111110 |
3 | 20012021210222020120 |
4 | 2033010320002332 |
5 | 14404001420110 |
6 | 1034105155410 |
7 | 113325143061 |
oct | 21704700276 |
9 | 6167728216 |
10 | 2400420030 |
11 | 1021a7a108 |
12 | 56ba8bb66 |
13 | 2c3404ba8 |
14 | 18ab2c8d8 |
15 | e0b0a870 |
hex | 8f1380be |
2400420030 has 32 divisors (see below), whose sum is σ = 5901523488. Its totient is φ = 624499200.
The previous prime is 2400420023. The next prime is 2400420041. The reversal of 2400420030 is 300240042.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 2400419991 and 2400420009.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 974551 + ... + 977010.
It is an arithmetic number, because the mean of its divisors is an integer number (184422609).
Almost surely, 22400420030 is an apocalyptic number.
2400420030 is an abundant number, since it is smaller than the sum of its proper divisors (3501103458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2400420030 is a wasteful number, since it uses less digits than its factorization.
2400420030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1951612.
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 2400420030 is about 48994.0815813502. The cubic root of 2400420030 is about 1338.9440016977.
Adding to 2400420030 its reverse (300240042), we get a palindrome (2700660072).
The spelling of 2400420030 in words is "two billion, four hundred million, four hundred twenty thousand, thirty".
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