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379845 = 32523367
BaseRepresentation
bin1011100101111000101
3201022001100
41130233011
544123340
612050313
73141264
oct1345705
9638040
10379845
1123a424
12163999
13103b7b
149c5db
1577830
hex5cbc5

379845 has 24 divisors (see below), whose sum is σ = 688896. Its totient is φ = 193248.

The previous prime is 379837. The next prime is 379849. The reversal of 379845 is 548973.

379845 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 379845 - 23 = 379837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379849) 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 23 ways as a sum of consecutive naturals, for example, 852 + ... + 1218.

It is an arithmetic number, because the mean of its divisors is an integer number (28704).

2379845 is an apocalyptic number.

It is an amenable number.

379845 is a deficient number, since it is larger than the sum of its proper divisors (309051).

379845 is a wasteful number, since it uses less digits than its factorization.

379845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 398 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 379845 is about 616.3156658726. The cubic root of 379845 is about 72.4217149438.

The spelling of 379845 in words is "three hundred seventy-nine thousand, eight hundred forty-five".

Divisors: 1 3 5 9 15 23 45 69 115 207 345 367 1035 1101 1835 3303 5505 8441 16515 25323 42205 75969 126615 379845