Base | Representation |
---|---|
bin | 101001001000111… |
… | …0101001110101110 |
3 | 10120012110220022012 |
4 | 1102101311032232 |
5 | 10311340444230 |
6 | 344550521222 |
7 | 46131154562 |
oct | 12221651656 |
9 | 3505426265 |
10 | 1380406190 |
11 | 649226669 |
12 | 326366212 |
13 | 18ccab1c7 |
14 | d14916a2 |
15 | 812c4395 |
hex | 524753ae |
1380406190 has 16 divisors (see below), whose sum is σ = 2486906928. Its totient is φ = 551678976.
The previous prime is 1380406189. The next prime is 1380406241. The reversal of 1380406190 is 916040831.
It is a happy number.
It is a super-2 number, since 2×13804061902 = 3811042498780632200, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48332 + ... + 71391.
It is an arithmetic number, because the mean of its divisors is an integer number (155431683).
Almost surely, 21380406190 is an apocalyptic number.
1380406190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1380406190 is a deficient number, since it is larger than the sum of its proper divisors (1106500738).
1380406190 is a wasteful number, since it uses less digits than its factorization.
1380406190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120883.
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 1380406190 is about 37153.8179733927. The cubic root of 1380406190 is about 1113.4455041543.
The spelling of 1380406190 in words is "one billion, three hundred eighty million, four hundred six thousand, one hundred ninety".
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