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395507 = 756501
BaseRepresentation
bin1100000100011110011
3202002112102
41200203303
5100124012
612251015
73235040
oct1404363
9662472
10395507
11250172
12170a6b
1310b038
14a41c7
157c2c2
hex608f3

395507 has 4 divisors (see below), whose sum is σ = 452016. Its totient is φ = 339000.

The previous prime is 395491. The next prime is 395509. The reversal of 395507 is 705593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705593 = 7100799.

It is a cyclic number.

It is not a de Polignac number, because 395507 - 24 = 395491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 395507.

It is not an unprimeable number, because it can be changed into a prime (395509) 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, 28244 + ... + 28257.

It is an arithmetic number, because the mean of its divisors is an integer number (113004).

2395507 is an apocalyptic number.

395507 is a deficient number, since it is larger than the sum of its proper divisors (56509).

395507 is an equidigital number, since it uses as much as digits as its factorization.

395507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56508.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 395507 is about 628.8934726963. The cubic root of 395507 is about 73.4037180069.

The spelling of 395507 in words is "three hundred ninety-five thousand, five hundred seven".

Divisors: 1 7 56501 395507