Base | Representation |
---|---|
bin | 101001001001111… |
… | …0111000100100110 |
3 | 10120020110220211200 |
4 | 1102103313010212 |
5 | 10312010004042 |
6 | 345010143330 |
7 | 46135531242 |
oct | 12223670446 |
9 | 3506426750 |
10 | 1380938022 |
11 | 64955a1a2 |
12 | 326581b46 |
13 | 1901362b9 |
14 | d158d422 |
15 | 8137bc4c |
hex | 524f7126 |
1380938022 has 24 divisors (see below), whose sum is σ = 3007704960. Its totient is φ = 457901520.
The previous prime is 1380937969. The next prime is 1380938023. The reversal of 1380938022 is 2208390831.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1380938023) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197397 + ... + 204272.
It is an arithmetic number, because the mean of its divisors is an integer number (125321040).
Almost surely, 21380938022 is an apocalyptic number.
1380938022 is an abundant number, since it is smaller than the sum of its proper divisors (1626766938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1380938022 is a wasteful number, since it uses less digits than its factorization.
1380938022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 401868 (or 401865 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 1380938022 is about 37160.9744490103. The cubic root of 1380938022 is about 1113.5884789592.
The spelling of 1380938022 in words is "one billion, three hundred eighty million, nine hundred thirty-eight thousand, twenty-two".
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