Base | Representation |
---|---|
bin | 10110101011000… |
… | …111111011001111 |
3 | 222111210111101002 |
4 | 112223013323033 |
5 | 1234340402112 |
6 | 101425210515 |
7 | 12266242556 |
oct | 2653077317 |
9 | 874714332 |
10 | 380403407 |
11 | 18580078a |
12 | a7490a3b |
13 | 60a6c997 |
14 | 38742d9d |
15 | 235e21c2 |
hex | 16ac7ecf |
380403407 has 16 divisors (see below), whose sum is σ = 410832000. Its totient is φ = 350937600.
The previous prime is 380403403. The next prime is 380403467. The reversal of 380403407 is 704304083.
It is a cyclic number.
It is not a de Polignac number, because 380403407 - 22 = 380403403 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 380403407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380403403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199157 + ... + 201057.
It is an arithmetic number, because the mean of its divisors is an integer number (25677000).
Almost surely, 2380403407 is an apocalyptic number.
380403407 is a deficient number, since it is larger than the sum of its proper divisors (30428593).
380403407 is a wasteful number, since it uses less digits than its factorization.
380403407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2146.
The product of its (nonzero) digits is 8064, while the sum is 29.
The square root of 380403407 is about 19503.9331161692. The cubic root of 380403407 is about 724.5718642254.
The spelling of 380403407 in words is "three hundred eighty million, four hundred three thousand, four hundred seven".
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