Search a number
-
+
395996707 = 2771429591
BaseRepresentation
bin10111100110100…
…110111000100011
31000121010201100201
4113212212320203
51302333343312
6103143330031
712545626231
oct2746467043
91017121321
10395996707
11193591207
12b0750917
136406c3a2
143a841951
1524b72557
hex179a6e23

395996707 has 4 divisors (see below), whose sum is σ = 397426576. Its totient is φ = 394566840.

The previous prime is 395996701. The next prime is 395996779. The reversal of 395996707 is 707699593.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-395996707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395996701) 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, 714519 + ... + 715072.

It is an arithmetic number, because the mean of its divisors is an integer number (99356644).

Almost surely, 2395996707 is an apocalyptic number.

395996707 is a deficient number, since it is larger than the sum of its proper divisors (1429869).

395996707 is a wasteful number, since it uses less digits than its factorization.

395996707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429868.

The product of its (nonzero) digits is 3214890, while the sum is 55.

The square root of 395996707 is about 19899.6660022222. Note that the first 3 decimals coincide. The cubic root of 395996707 is about 734.3400106873.

The spelling of 395996707 in words is "three hundred ninety-five million, nine hundred ninety-six thousand, seven hundred seven".

Divisors: 1 277 1429591 395996707