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394146 = 235811
BaseRepresentation
bin1100000001110100010
3202000200000
41200032202
5100103041
612240430
73231054
oct1401642
9660600
10394146
1124a145
12170116
1310a52c
14a38d4
157bbb6
hex603a2

394146 has 24 divisors (see below), whose sum is σ = 886704. Its totient is φ = 131220.

The previous prime is 394129. The next prime is 394153. The reversal of 394146 is 641493.

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

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

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 81 + ... + 891.

It is an arithmetic number, because the mean of its divisors is an integer number (36946).

2394146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443352).

394146 is an abundant number, since it is smaller than the sum of its proper divisors (492558).

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

394146 is an equidigital number, since it uses as much as digits as its factorization.

394146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 816 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 394146 is about 627.8104809574. The cubic root of 394146 is about 73.3194234407.

It can be divided in two parts, 3 and 94146, that added together give a palindrome (94149).

The spelling of 394146 in words is "three hundred ninety-four thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 811 1622 2433 4866 7299 14598 21897 43794 65691 131382 197073 394146