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395149 = 735413
BaseRepresentation
bin1100000011110001101
3202002001011
41200132031
5100121044
612245221
73234016
oct1403615
9662034
10395149
1124a977
12170811
1310ab21
14a400d
157c134
hex6078d

395149 has 4 divisors (see below), whose sum is σ = 400636. Its totient is φ = 389664.

The previous prime is 395147. The next prime is 395159. The reversal of 395149 is 941593.

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

It can be written as a sum of positive squares in 2 ways, for example, as 152100 + 243049 = 390^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 395149 - 21 = 395147 is a prime.

It is a super-2 number, since 2×3951492 = 312285464402, which contains 22 as substring.

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 395149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395141) 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, 2634 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (100159).

2395149 is an apocalyptic number.

It is an amenable number.

395149 is a deficient number, since it is larger than the sum of its proper divisors (5487).

395149 is an equidigital number, since it uses as much as digits as its factorization.

395149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486.

The product of its digits is 4860, while the sum is 31.

The square root of 395149 is about 628.6087813577. The cubic root of 395149 is about 73.3815637729.

The spelling of 395149 in words is "three hundred ninety-five thousand, one hundred forty-nine".

Divisors: 1 73 5413 395149