Base | Representation |
---|---|
bin | 10110101100100… |
… | …110100001000011 |
3 | 222112112011211212 |
4 | 112230212201003 |
5 | 1234440301401 |
6 | 101441400335 |
7 | 12302445260 |
oct | 2654464103 |
9 | 875464755 |
10 | 380790851 |
11 | 185a45891 |
12 | a76390ab |
13 | 60b7713c |
14 | 38804267 |
15 | 2366bdbb |
hex | 16b26843 |
380790851 has 32 divisors (see below), whose sum is σ = 465315840. Its totient is φ = 304730496.
The previous prime is 380790847. The next prime is 380790857. The reversal of 380790851 is 158097083.
It is a happy number.
It is not a de Polignac number, because 380790851 - 22 = 380790847 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 380790799 and 380790808.
It is not an unprimeable number, because it can be changed into a prime (380790857) 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 31 ways as a sum of consecutive naturals, for example, 1020701 + ... + 1021073.
It is an arithmetic number, because the mean of its divisors is an integer number (14541120).
Almost surely, 2380790851 is an apocalyptic number.
380790851 is a deficient number, since it is larger than the sum of its proper divisors (84524989).
380790851 is a wasteful number, since it uses less digits than its factorization.
380790851 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 563.
The product of its (nonzero) digits is 60480, while the sum is 41.
The square root of 380790851 is about 19513.8630465626. The cubic root of 380790851 is about 724.8177748921.
The spelling of 380790851 in words is "three hundred eighty million, seven hundred ninety thousand, eight hundred fifty-one".
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