Search a number
-
+
195380842 = 21132773121
BaseRepresentation
bin10111010010101…
…00011001101010
3111121122101010111
423221110121222
5400004141332
631215404534
74561465306
oct1351243152
9447571114
10195380842
11a0318578
125552374a
133162a987
141bd3cd06
1512245947
hexba5466a

195380842 has 16 divisors (see below), whose sum is σ = 296827272. Its totient is φ = 96445440.

The previous prime is 195380839. The next prime is 195380849. The reversal of 195380842 is 248083591.

195380842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16329681 + 179051161 = 4041^2 + 13381^2 .

It is a junction number, because it is equal to n+sod(n) for n = 195380795 and 195380804.

It is not an unprimeable number, because it can be changed into a prime (195380849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61042 + ... + 64162.

Almost surely, 2195380842 is an apocalyptic number.

195380842 is a deficient number, since it is larger than the sum of its proper divisors (101446430).

195380842 is a wasteful number, since it uses less digits than its factorization.

195380842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 195380842 is about 13977.8697232447. The cubic root of 195380842 is about 580.2662689423.

The spelling of 195380842 in words is "one hundred ninety-five million, three hundred eighty thousand, eight hundred forty-two".

Divisors: 1 2 113 226 277 554 3121 6242 31301 62602 352673 705346 864517 1729034 97690421 195380842