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213379 = 377379
BaseRepresentation
bin110100000110000011
3101211200221
4310012003
523312004
64323511
71546045
oct640603
9354627
10213379
11136351
12a3597
137617a
1457a95
1543354
hex34183

213379 has 8 divisors (see below), whose sum is σ = 224960. Its totient is φ = 202176.

The previous prime is 213361. The next prime is 213383. The reversal of 213379 is 973312.

213379 = T37 + T38 + ... + T109.

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

It is a cyclic number.

It is not a de Polignac number, because 213379 - 29 = 212867 is a prime.

Its product of digits (1134) is a multiple of the sum of its prime divisors (189).

It is not an unprimeable number, because it can be changed into a prime (213319) 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, 2662 + ... + 2740.

It is an arithmetic number, because the mean of its divisors is an integer number (28120).

2213379 is an apocalyptic number.

213379 is a deficient number, since it is larger than the sum of its proper divisors (11581).

213379 is an equidigital number, since it uses as much as digits as its factorization.

213379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189.

The product of its digits is 1134, while the sum is 25.

The square root of 213379 is about 461.9296483232. The cubic root of 213379 is about 59.7563265419.

The spelling of 213379 in words is "two hundred thirteen thousand, three hundred seventy-nine".

Divisors: 1 37 73 79 2701 2923 5767 213379