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379321 = 1753421
BaseRepresentation
bin1011100100110111001
3201021022221
41130212321
544114241
612044041
73136615
oct1344671
9637287
10379321
11239a98
12163621
13103867
149c345
15775d1
hex5c9b9

379321 has 8 divisors (see below), whose sum is σ = 410184. Its totient is φ = 349440.

The previous prime is 379319. The next prime is 379333. The reversal of 379321 is 123973.

379321 = 4352 + 4362.

It can be written as a sum of positive squares in 4 ways, for example, as 32400 + 346921 = 180^2 + 589^2 .

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 379321 - 21 = 379319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691 + ... + 1111.

It is an arithmetic number, because the mean of its divisors is an integer number (51273).

2379321 is an apocalyptic number.

379321 is the 436-th centered square number.

It is an amenable number.

379321 is a deficient number, since it is larger than the sum of its proper divisors (30863).

379321 is a wasteful number, since it uses less digits than its factorization.

379321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

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

The square root of 379321 is about 615.8904123300. The cubic root of 379321 is about 72.3883974570.

The spelling of 379321 in words is "three hundred seventy-nine thousand, three hundred twenty-one".

Divisors: 1 17 53 421 901 7157 22313 379321