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395778325 = 5238940697
BaseRepresentation
bin10111100101110…
…001100100010101
31000120201121210111
4113211301210111
51302304401300
6103134523021
712544026445
oct2745614425
91016647714
10395778325
11193452128
12b0666471
1363cc3b77
143a7c6125
1524b2c9ba
hex17971915

395778325 has 12 divisors (see below), whose sum is σ = 492038820. Its totient is φ = 315800960.

The previous prime is 395778323. The next prime is 395778337. The reversal of 395778325 is 523877593.

It can be written as a sum of positive squares in 6 ways, for example, as 136632721 + 259145604 = 11689^2 + 16098^2 .

It is not a de Polignac number, because 395778325 - 21 = 395778323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395778323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10624 + ... + 30073.

It is an arithmetic number, because the mean of its divisors is an integer number (41003235).

Almost surely, 2395778325 is an apocalyptic number.

It is an amenable number.

395778325 is a deficient number, since it is larger than the sum of its proper divisors (96260495).

395778325 is a wasteful number, since it uses less digits than its factorization.

395778325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41096 (or 41091 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 49.

The square root of 395778325 is about 19894.1781684994. The cubic root of 395778325 is about 734.2049959883.

The spelling of 395778325 in words is "three hundred ninety-five million, seven hundred seventy-eight thousand, three hundred twenty-five".

Divisors: 1 5 25 389 1945 9725 40697 203485 1017425 15831133 79155665 395778325