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395490 = 23513183
BaseRepresentation
bin1100000100011100010
3202002111210
41200203202
5100123430
612250550
73235014
oct1404342
9662453
10395490
11250157
12170a56
1310b024
14a41b4
157c2b0
hex608e2

395490 has 16 divisors (see below), whose sum is σ = 949248. Its totient is φ = 105456.

The previous prime is 395459. The next prime is 395491. The reversal of 395490 is 94593.

395490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 13183 = 395490 / (3 + 9 + 5 + 4 + 9 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6562 + ... + 6621.

It is an arithmetic number, because the mean of its divisors is an integer number (59328).

2395490 is an apocalyptic number.

395490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

395490 is an abundant number, since it is smaller than the sum of its proper divisors (553758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395490 is a wasteful number, since it uses less digits than its factorization.

395490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13193.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 395490 is about 628.8799567485. The cubic root of 395490 is about 73.4026662926.

The spelling of 395490 in words is "three hundred ninety-five thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 13183 26366 39549 65915 79098 131830 197745 395490