Search a number
-
+
380093 = 727757
BaseRepresentation
bin1011100110010111101
3201022101112
41130302331
544130333
612051405
73142100
oct1346275
9638345
10380093
1123a62a
12163b65
1310400c
149c737
1577948
hex5ccbd

380093 has 6 divisors (see below), whose sum is σ = 442206. Its totient is φ = 325752.

The previous prime is 380071. The next prime is 380117. The reversal of 380093 is 390083.

It can be written as a sum of positive squares in only one way, i.e., 362404 + 17689 = 602^2 + 133^2 .

It is not a de Polignac number, because 380093 - 28 = 379837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3830 + ... + 3927.

It is an arithmetic number, because the mean of its divisors is an integer number (73701).

2380093 is an apocalyptic number.

It is an amenable number.

380093 is a deficient number, since it is larger than the sum of its proper divisors (62113).

380093 is an equidigital number, since it uses as much as digits as its factorization.

380093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771 (or 7764 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 380093 is about 616.5168286430. The cubic root of 380093 is about 72.4374728432.

The spelling of 380093 in words is "three hundred eighty thousand, ninety-three".

Divisors: 1 7 49 7757 54299 380093