Search a number
-
+
395089077 = 3131696359
BaseRepresentation
bin10111100011001…
…001010010110101
31000112102121022210
4113203021102311
51302120322302
6103112044033
712535126125
oct2743112265
91015377283
10395089077
111930212a9
12b0393619
1363b12226
143a686c85
1524a4366c
hex178c94b5

395089077 has 4 divisors (see below), whose sum is σ = 526785440. Its totient is φ = 263392716.

The previous prime is 395089063. The next prime is 395089081. The reversal of 395089077 is 770980593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 395089077 - 28 = 395088821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395089577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65848177 + ... + 65848182.

It is an arithmetic number, because the mean of its divisors is an integer number (131696360).

Almost surely, 2395089077 is an apocalyptic number.

It is an amenable number.

395089077 is a deficient number, since it is larger than the sum of its proper divisors (131696363).

395089077 is a wasteful number, since it uses less digits than its factorization.

395089077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131696362.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 395089077 is about 19876.8477631641. The cubic root of 395089077 is about 733.7785423068.

The spelling of 395089077 in words is "three hundred ninety-five million, eighty-nine thousand, seventy-seven".

Divisors: 1 3 131696359 395089077