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213046 = 2372879
BaseRepresentation
bin110100000000110110
3101211020121
4310000312
523304141
64322154
71545061
oct640066
9354217
10213046
11136079
12a335a
1375c82
14578d8
15431d1
hex34036

213046 has 8 divisors (see below), whose sum is σ = 328320. Its totient is φ = 103608.

The previous prime is 213043. The next prime is 213067. The reversal of 213046 is 640312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213043) 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, 1366 + ... + 1513.

It is an arithmetic number, because the mean of its divisors is an integer number (41040).

2213046 is an apocalyptic number.

213046 is a deficient number, since it is larger than the sum of its proper divisors (115274).

213046 is a wasteful number, since it uses less digits than its factorization.

213046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213046 is about 461.5690630881. The cubic root of 213046 is about 59.7252250478.

Adding to 213046 its reverse (640312), we get a palindrome (853358).

The spelling of 213046 in words is "two hundred thirteen thousand, forty-six".

Divisors: 1 2 37 74 2879 5758 106523 213046