Base | Representation |
---|---|
bin | 10110101100110… |
… | …001011100011001 |
3 | 222112121110020120 |
4 | 112230301130121 |
5 | 1234443214414 |
6 | 101442343453 |
7 | 12303022620 |
oct | 2654613431 |
9 | 875543216 |
10 | 380835609 |
11 | 185a76480 |
12 | a765ab89 |
13 | 60b9161b |
14 | 388166b7 |
15 | 2367a2a9 |
hex | 16b31719 |
380835609 has 32 divisors (see below), whose sum is σ = 636002304. Its totient is φ = 196922880.
The previous prime is 380835607. The next prime is 380835629. The reversal of 380835609 is 906538083.
It is not a de Polignac number, because 380835609 - 21 = 380835607 is a prime.
It is a super-2 number, since 2×3808356092 = 290071522164801762, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (380835607) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47817 + ... + 55209.
It is an arithmetic number, because the mean of its divisors is an integer number (19875072).
Almost surely, 2380835609 is an apocalyptic number.
It is an amenable number.
380835609 is a deficient number, since it is larger than the sum of its proper divisors (255166695).
380835609 is a wasteful number, since it uses less digits than its factorization.
380835609 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7637.
The product of its (nonzero) digits is 155520, while the sum is 42.
The square root of 380835609 is about 19515.0098385832. The cubic root of 380835609 is about 724.8461720406.
The spelling of 380835609 in words is "three hundred eighty million, eight hundred thirty-five thousand, six hundred nine".
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