Base | Representation |
---|---|
bin | 111110110101000… |
… | …111100111110000 |
3 | 2201110111110011002 |
4 | 332311013213300 |
5 | 4124323042430 |
6 | 252333141132 |
7 | 35056543346 |
oct | 7665074760 |
9 | 2643443132 |
10 | 1054112240 |
11 | 4a1023145 |
12 | 25502a7a8 |
13 | 13a50526c |
14 | 9ddd5996 |
15 | 6281e845 |
hex | 3ed479f0 |
1054112240 has 80 divisors (see below), whose sum is σ = 2570942592. Its totient is φ = 401467392.
The previous prime is 1054112161. The next prime is 1054112243. The reversal of 1054112240 is 422114501.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×10541122402 = 2222305229035635200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1054112243) 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, 135332 + ... + 142908.
Almost surely, 21054112240 is an apocalyptic number.
1054112240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1054112240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285471296).
1054112240 is an abundant number, since it is smaller than the sum of its proper divisors (1516830352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1054112240 is a wasteful number, since it uses less digits than its factorization.
1054112240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7674 (or 7668 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 1054112240 is about 32467.0947268153. The cubic root of 1054112240 is about 1017.7215063878.
Adding to 1054112240 its reverse (422114501), we get a palindrome (1476226741).
The spelling of 1054112240 in words is "one billion, fifty-four million, one hundred twelve thousand, two hundred forty".
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