Base | Representation |
---|---|
bin | 101001001001110… |
… | …0010010000110110 |
3 | 10120020022120220221 |
4 | 1102103202100312 |
5 | 10311444242130 |
6 | 345004244554 |
7 | 46135024612 |
oct | 12223422066 |
9 | 3506276827 |
10 | 1380852790 |
11 | 649501159 |
12 | 32654075a |
13 | 190106575 |
14 | d156a342 |
15 | 8136187a |
hex | 524e2436 |
1380852790 has 8 divisors (see below), whose sum is σ = 2485535040. Its totient is φ = 552341112.
The previous prime is 1380852779. The next prime is 1380852793. The reversal of 1380852790 is 972580831.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1380852793) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69042630 + ... + 69042649.
It is an arithmetic number, because the mean of its divisors is an integer number (310691880).
Almost surely, 21380852790 is an apocalyptic number.
1380852790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1380852790 is a deficient number, since it is larger than the sum of its proper divisors (1104682250).
1380852790 is a wasteful number, since it uses less digits than its factorization.
1380852790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138085286.
The product of its (nonzero) digits is 120960, while the sum is 43.
The square root of 1380852790 is about 37159.8276368446. The cubic root of 1380852790 is about 1113.5655681251.
The spelling of 1380852790 in words is "one billion, three hundred eighty million, eight hundred fifty-two thousand, seven hundred ninety".
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