Search a number
-
+
380530273 is a prime number
BaseRepresentation
bin10110101011100…
…110111001100001
3222112000221101211
4112223212321201
51234403432043
6101432030121
712300311464
oct2653467141
9875027354
10380530273
11185888032
12a7532341
1360ab5656
14387772db
1523619a9d
hex16ae6e61

380530273 has 2 divisors, whose sum is σ = 380530274. Its totient is φ = 380530272.

The previous prime is 380530259. The next prime is 380530277. The reversal of 380530273 is 372035083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374345104 + 6185169 = 19348^2 + 2487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-380530273 is a prime.

It is not a weakly prime, because it can be changed into another prime (380530277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190265136 + 190265137.

It is an arithmetic number, because the mean of its divisors is an integer number (190265137).

Almost surely, 2380530273 is an apocalyptic number.

It is an amenable number.

380530273 is a deficient number, since it is larger than the sum of its proper divisors (1).

380530273 is an equidigital number, since it uses as much as digits as its factorization.

380530273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 380530273 is about 19507.1851634212. The cubic root of 380530273 is about 724.6524044409.

The spelling of 380530273 in words is "three hundred eighty million, five hundred thirty thousand, two hundred seventy-three".