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395523 = 3419257
BaseRepresentation
bin1100000100100000011
3202002120000
41200210003
5100124043
612251043
73235062
oct1404403
9662500
10395523
11250187
12170a83
1310b04b
14a41d9
157c2d3
hex60903

395523 has 20 divisors (see below), whose sum is σ = 624360. Its totient is φ = 248832.

The previous prime is 395513. The next prime is 395533. The reversal of 395523 is 325593.

It is an interprime number because it is at equal distance from previous prime (395513) and next prime (395533).

It is not a de Polignac number, because 395523 - 25 = 395491 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (395513) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1411 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (31218).

2395523 is an apocalyptic number.

395523 is a deficient number, since it is larger than the sum of its proper divisors (228837).

395523 is a wasteful number, since it uses less digits than its factorization.

395523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 279 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 395523 is about 628.9061933230. The cubic root of 395523 is about 73.4047078281.

The spelling of 395523 in words is "three hundred ninety-five thousand, five hundred twenty-three".

Divisors: 1 3 9 19 27 57 81 171 257 513 771 1539 2313 4883 6939 14649 20817 43947 131841 395523