Search a number
-
+
380356825457 = 727762384193
BaseRepresentation
bin1011000100011110000…
…10001001000101110001
31100100202201110201020202
411202033002021011301
522212432321403312
6450422234444545
736323411446400
oct5421702110561
91310681421222
10380356825457
1113734356a654
1261870893755
1329b37b6953b
14145a3443637
159d621639c2
hex588f089171

380356825457 has 6 divisors (see below), whose sum is σ = 442455899058. Its totient is φ = 326020136064.

The previous prime is 380356825451. The next prime is 380356825469. The reversal of 380356825457 is 754528653083.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 376641191521 + 3715633936 = 613711^2 + 60956^2 .

It is not a de Polignac number, because 380356825457 - 26 = 380356825393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380356825451) 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, 3881192048 + ... + 3881192145.

It is an arithmetic number, because the mean of its divisors is an integer number (73742649843).

Almost surely, 2380356825457 is an apocalyptic number.

It is an amenable number.

380356825457 is a deficient number, since it is larger than the sum of its proper divisors (62099073601).

380356825457 is an equidigital number, since it uses as much as digits as its factorization.

380356825457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7762384207 (or 7762384200 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 56.

The spelling of 380356825457 in words is "three hundred eighty billion, three hundred fifty-six million, eight hundred twenty-five thousand, four hundred fifty-seven".

Divisors: 1 7 49 7762384193 54336689351 380356825457