Base | Representation |
---|---|
bin | 101001001001011… |
… | …1010101001000010 |
3 | 10120020000100022010 |
4 | 1102102322221002 |
5 | 10311424043443 |
6 | 345000553350 |
7 | 46133450505 |
oct | 12222725102 |
9 | 3506010263 |
10 | 1380690498 |
11 | 649400230 |
12 | 326482856 |
13 | 19007a735 |
14 | d152713c |
15 | 8132d733 |
hex | 524baa42 |
1380690498 has 32 divisors (see below), whose sum is σ = 3085895232. Its totient is φ = 408185600.
The previous prime is 1380690497. The next prime is 1380690511. The reversal of 1380690498 is 8940960831.
It is not an unprimeable number, because it can be changed into a prime (1380690497) 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 15 ways as a sum of consecutive naturals, for example, 252411 + ... + 257822.
It is an arithmetic number, because the mean of its divisors is an integer number (96434226).
Almost surely, 21380690498 is an apocalyptic number.
1380690498 is an abundant number, since it is smaller than the sum of its proper divisors (1705204734).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1380690498 is a wasteful number, since it uses less digits than its factorization.
1380690498 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 510290.
The product of its (nonzero) digits is 373248, while the sum is 48.
The square root of 1380690498 is about 37157.6438704071. The cubic root of 1380690498 is about 1113.5219405289.
The spelling of 1380690498 in words is "one billion, three hundred eighty million, six hundred ninety thousand, four hundred ninety-eight".
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