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379471 = 3112241
BaseRepresentation
bin1011100101001001111
3201021112111
41130221033
544120341
612044451
73140221
oct1345117
9637474
10379471
1123a114
12163727
13103951
149c411
1577681
hex5ca4f

379471 has 4 divisors (see below), whose sum is σ = 391744. Its totient is φ = 367200.

The previous prime is 379459. The next prime is 379499. The reversal of 379471 is 174973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174973 = 374729.

It is a cyclic number.

It is not a de Polignac number, because 379471 - 25 = 379439 is a prime.

It is a super-3 number, since 3×3794713 = 163929468212112333, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 12241 = 379471 / (3 + 7 + 9 + 4 + 7 + 1).

It is a Duffinian number.

379471 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379441) 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 3 ways as a sum of consecutive naturals, for example, 6090 + ... + 6151.

It is an arithmetic number, because the mean of its divisors is an integer number (97936).

2379471 is an apocalyptic number.

379471 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

379471 is a deficient number, since it is larger than the sum of its proper divisors (12273).

379471 is a wasteful number, since it uses less digits than its factorization.

379471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12272.

The product of its digits is 5292, while the sum is 31.

The square root of 379471 is about 616.0121752044. The cubic root of 379471 is about 72.3979380384.

The spelling of 379471 in words is "three hundred seventy-nine thousand, four hundred seventy-one".

Divisors: 1 31 12241 379471