Base | Representation |
---|---|
bin | 10110101011000… |
… | …001001011011111 |
3 | 222111202002110200 |
4 | 112223001023133 |
5 | 1234334011100 |
6 | 101424434543 |
7 | 12266066163 |
oct | 2653011337 |
9 | 874662420 |
10 | 380375775 |
11 | 185791a4a |
12 | a7478a53 |
13 | 60a60230 |
14 | 38736ca3 |
15 | 235d8e00 |
hex | 16ac12df |
380375775 has 36 divisors (see below), whose sum is σ = 733708248. Its totient is φ = 187260480.
The previous prime is 380375767. The next prime is 380375777. The reversal of 380375775 is 577573083.
It is not a de Polignac number, because 380375775 - 23 = 380375767 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 380375775.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380375777) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62097 + ... + 67946.
Almost surely, 2380375775 is an apocalyptic number.
380375775 is a deficient number, since it is larger than the sum of its proper divisors (353332473).
380375775 is a wasteful number, since it uses less digits than its factorization.
380375775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130072 (or 130064 counting only the distinct ones).
The product of its (nonzero) digits is 617400, while the sum is 45.
The square root of 380375775 is about 19503.2247333614. The cubic root of 380375775 is about 724.5543198202.
The spelling of 380375775 in words is "three hundred eighty million, three hundred seventy-five thousand, seven hundred seventy-five".
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