Base | Representation |
---|---|
bin | 1001000011101000… |
… | …0110011111011000 |
3 | 20021102122012220002 |
4 | 2100322012133120 |
5 | 14434333300130 |
6 | 1041123552132 |
7 | 114150301664 |
oct | 22072063730 |
9 | 6242565802 |
10 | 2431150040 |
11 | 1038359010 |
12 | 57a22b648 |
13 | 2c98a4227 |
14 | 190c4b8a4 |
15 | e367ab45 |
hex | 90e867d8 |
2431150040 has 64 divisors (see below), whose sum is σ = 6173172000. Its totient is φ = 853565440.
The previous prime is 2431150019. The next prime is 2431150049. The reversal of 2431150040 is 400511342.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 2431149994 and 2431150021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2431150049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82505 + ... + 108024.
Almost surely, 22431150040 is an apocalyptic number.
2431150040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2431150040 is an abundant number, since it is smaller than the sum of its proper divisors (3742021960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2431150040 is a wasteful number, since it uses less digits than its factorization.
2431150040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190580 (or 190576 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 2431150040 is about 49306.6936632340. The cubic root of 2431150040 is about 1344.6334808349.
Adding to 2431150040 its reverse (400511342), we get a palindrome (2831661382).
The spelling of 2431150040 in words is "two billion, four hundred thirty-one million, one hundred fifty thousand, forty".
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