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379389 = 31743173
BaseRepresentation
bin1011100100111111101
3201021102110
41130213331
544120024
612044233
73140043
oct1344775
9637373
10379389
1123a04a
12163679
131038ba
149c393
1577629
hex5c9fd

379389 has 16 divisors (see below), whose sum is σ = 551232. Its totient is φ = 231168.

The previous prime is 379387. The next prime is 379391. The reversal of 379389 is 983973.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (379387) and next prime (379391).

It is not a de Polignac number, because 379389 - 21 = 379387 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 379389.

It is not an unprimeable number, because it can be changed into a prime (379387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2107 + ... + 2279.

It is an arithmetic number, because the mean of its divisors is an integer number (34452).

2379389 is an apocalyptic number.

It is an amenable number.

379389 is a deficient number, since it is larger than the sum of its proper divisors (171843).

379389 is a wasteful number, since it uses less digits than its factorization.

379389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236.

The product of its digits is 40824, while the sum is 39.

The square root of 379389 is about 615.9456144823. The cubic root of 379389 is about 72.3927228322.

The spelling of 379389 in words is "three hundred seventy-nine thousand, three hundred eighty-nine".

Divisors: 1 3 17 43 51 129 173 519 731 2193 2941 7439 8823 22317 126463 379389