Base | Representation |
---|---|
bin | 100100001100101… |
… | …0001101000101110 |
3 | 10010122110022221002 |
4 | 1020121101220232 |
5 | 4441413213030 |
6 | 320304440302 |
7 | 42045543164 |
oct | 11031215056 |
9 | 3118408832 |
10 | 1214585390 |
11 | 573668a87 |
12 | 29a919092 |
13 | 1648301a5 |
14 | b7449234 |
15 | 7196c245 |
hex | 48651a2e |
1214585390 has 16 divisors (see below), whose sum is σ = 2189495232. Its totient is φ = 485113824.
The previous prime is 1214585381. The next prime is 1214585401. The reversal of 1214585390 is 935854121.
It is a happy number.
It is a super-3 number, since 3×12145853903 (a number of 28 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 82934 + ... + 96473.
It is an arithmetic number, because the mean of its divisors is an integer number (136843452).
Almost surely, 21214585390 is an apocalyptic number.
1214585390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1214585390 is a deficient number, since it is larger than the sum of its proper divisors (974909842).
1214585390 is a wasteful number, since it uses less digits than its factorization.
1214585390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180091.
The product of its (nonzero) digits is 43200, while the sum is 38.
The square root of 1214585390 is about 34850.9022838721. The cubic root of 1214585390 is about 1066.9466011157.
The spelling of 1214585390 in words is "one billion, two hundred fourteen million, five hundred eighty-five thousand, three hundred ninety".
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