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379405 = 5132449
BaseRepresentation
bin1011100101000001101
3201021110001
41130220031
544120110
612044301
73140065
oct1345015
9637401
10379405
1123a064
12163691
13103900
149c3a5
157763a
hex5ca0d

379405 has 12 divisors (see below), whose sum is σ = 494100. Its totient is φ = 279552.

The previous prime is 379399. The next prime is 379417. The reversal of 379405 is 504973.

It can be written as a sum of positive squares in 6 ways, for example, as 59049 + 320356 = 243^2 + 566^2 .

It is not a de Polignac number, because 379405 - 23 = 379397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 621 + ... + 1069.

It is an arithmetic number, because the mean of its divisors is an integer number (41175).

2379405 is an apocalyptic number.

It is an amenable number.

379405 is a deficient number, since it is larger than the sum of its proper divisors (114695).

379405 is a wasteful number, since it uses less digits than its factorization.

379405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 379405 is about 615.9586025051. The cubic root of 379405 is about 72.3937404924.

It can be divided in two parts, 379 and 405, that added together give a square (784 = 282).

The spelling of 379405 in words is "three hundred seventy-nine thousand, four hundred five".

Divisors: 1 5 13 65 169 449 845 2245 5837 29185 75881 379405