Base | Representation |
---|---|
bin | 111110000111000… |
… | …010001011011000 |
3 | 2200121202200020121 |
4 | 332013002023120 |
5 | 4113230000240 |
6 | 251222203024 |
7 | 34552056121 |
oct | 7607021330 |
9 | 2617680217 |
10 | 1042031320 |
11 | 495221610 |
12 | 250b83474 |
13 | 137b654a5 |
14 | 9c56d048 |
15 | 6173504a |
hex | 3e1c22d8 |
1042031320 has 64 divisors (see below), whose sum is σ = 2708186400. Its totient is φ = 356628480.
The previous prime is 1042031311. The next prime is 1042031329. The reversal of 1042031320 is 231302401.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1042031311) and next prime (1042031329).
It is a junction number, because it is equal to n+sod(n) for n = 1042031294 and 1042031303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1042031329) 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, 62175 + ... + 77134.
Almost surely, 21042031320 is an apocalyptic number.
1042031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1042031320 is an abundant number, since it is smaller than the sum of its proper divisors (1666155080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1042031320 is a wasteful number, since it uses less digits than its factorization.
1042031320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139348 (or 139344 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1042031320 is about 32280.5099092316. The cubic root of 1042031320 is about 1013.8186065411.
Adding to 1042031320 its reverse (231302401), we get a palindrome (1273333721).
The spelling of 1042031320 in words is "one billion, forty-two million, thirty-one thousand, three hundred twenty".
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