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641092 = 22831931
BaseRepresentation
bin10011100100001000100
31012120102011
42130201010
5131003332
621424004
75310034
oct2344104
91176364
10641092
113a8731
1226b004
13195a5a
141298c4
15c9e47
hex9c844

641092 has 12 divisors (see below), whose sum is σ = 1136016. Its totient is φ = 316520.

The previous prime is 641089. The next prime is 641093. The reversal of 641092 is 290146.

It is not an unprimeable number, because it can be changed into a prime (641093) 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 3 ways as a sum of consecutive naturals, for example, 634 + ... + 1297.

It is an arithmetic number, because the mean of its divisors is an integer number (94668).

2641092 is an apocalyptic number.

It is an amenable number.

641092 is a deficient number, since it is larger than the sum of its proper divisors (494924).

641092 is a wasteful number, since it uses less digits than its factorization.

641092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018 (or 2016 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 641092 is about 800.6822091192. The cubic root of 641092 is about 86.2263731405.

It can be divided in two parts, 64 and 1092, that added together give a square (1156 = 342).

The spelling of 641092 in words is "six hundred forty-one thousand, ninety-two".

Divisors: 1 2 4 83 166 332 1931 3862 7724 160273 320546 641092