Base | Representation |
---|---|
bin | 111110001111010… |
… | …111010101010000 |
3 | 2200202212121212002 |
4 | 332033113111100 |
5 | 4114304340440 |
6 | 251341053132 |
7 | 34606452644 |
oct | 7617272520 |
9 | 2622777762 |
10 | 1044215120 |
11 | 496483303 |
12 | 2518571a8 |
13 | 13844b490 |
14 | 9c97ac24 |
15 | 61a17115 |
hex | 3e3d7550 |
1044215120 has 40 divisors (see below), whose sum is σ = 2614556616. Its totient is φ = 385555968.
The previous prime is 1044215087. The next prime is 1044215143. The reversal of 1044215120 is 215124401.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 250778896 + 793436224 = 15836^2 + 28168^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×10442151202 = 2180770433673228800, which contains 22 as substring.
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 = 1044215092 and 1044215101.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500987 + ... + 503066.
Almost surely, 21044215120 is an apocalyptic number.
1044215120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1044215120 is an abundant number, since it is smaller than the sum of its proper divisors (1570341496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1044215120 is a wasteful number, since it uses less digits than its factorization.
1044215120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1004079 (or 1004073 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 1044215120 is about 32314.3175697708. The cubic root of 1044215120 is about 1014.5263371078.
Adding to 1044215120 its reverse (215124401), we get a palindrome (1259339521).
The spelling of 1044215120 in words is "one billion, forty-four million, two hundred fifteen thousand, one hundred twenty".
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