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395048007 = 32143330631
BaseRepresentation
bin10111100010111…
…111010001000111
31000112100111222200
4113202333101013
51302113014012
6103111125543
712534565314
oct2742772107
91015314880
10395048007
11192aa3462
12b03738b3
1363ac9623
143a675d0b
1524a363dc
hex178bf447

395048007 has 12 divisors (see below), whose sum is σ = 571041744. Its totient is φ = 263172960.

The previous prime is 395047993. The next prime is 395048039. The reversal of 395048007 is 700840593.

It is not a de Polignac number, because 395048007 - 218 = 394785863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395048077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2419 + ... + 28212.

It is an arithmetic number, because the mean of its divisors is an integer number (47586812).

Almost surely, 2395048007 is an apocalyptic number.

395048007 is a deficient number, since it is larger than the sum of its proper divisors (175993737).

395048007 is a wasteful number, since it uses less digits than its factorization.

395048007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32070 (or 32067 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 395048007 is about 19875.8146248148. The cubic root of 395048007 is about 733.7531156956.

The spelling of 395048007 in words is "three hundred ninety-five million, forty-eight thousand, seven".

Divisors: 1 3 9 1433 4299 12897 30631 91893 275679 43894223 131682669 395048007