Base | Representation |
---|---|
bin | 10110101001101… |
… | …001111100101011 |
3 | 222111001221100100 |
4 | 112221221330223 |
5 | 1234241042400 |
6 | 101413040443 |
7 | 12263050404 |
oct | 2651517453 |
9 | 874057310 |
10 | 380018475 |
11 | 185568561 |
12 | a7326123 |
13 | 60966705 |
14 | 386829ab |
15 | 23568100 |
hex | 16a69f2b |
380018475 has 18 divisors (see below), whose sum is σ = 680655716. Its totient is φ = 202676400.
The previous prime is 380018473. The next prime is 380018479. The reversal of 380018475 is 574810083.
It is not a de Polignac number, because 380018475 - 21 = 380018473 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (380018473) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 844261 + ... + 844710.
Almost surely, 2380018475 is an apocalyptic number.
380018475 is a deficient number, since it is larger than the sum of its proper divisors (300637241).
380018475 is a wasteful number, since it uses less digits than its factorization.
380018475 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1688987 (or 1688979 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 380018475 is about 19494.0625576097. The cubic root of 380018475 is about 724.3273825149.
The spelling of 380018475 in words is "three hundred eighty million, eighteen thousand, four hundred seventy-five".
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