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379689 = 3671889
BaseRepresentation
bin1011100101100101001
3201021211120
41130230221
544122224
612045453
73140652
oct1345451
9637746
10379689
1123a2a2
12163889
13103a8b
149c529
1577779
hex5cb29

379689 has 8 divisors (see below), whose sum is σ = 514080. Its totient is φ = 249216.

The previous prime is 379681. The next prime is 379693. The reversal of 379689 is 986973.

It is a happy number.

379689 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 379689 - 23 = 379681 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

379689 is strictly pandigital in base 7.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 379689.

It is not an unprimeable number, because it can be changed into a prime (379681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744 + ... + 1145.

It is an arithmetic number, because the mean of its divisors is an integer number (64260).

2379689 is an apocalyptic number.

It is an amenable number.

379689 is a deficient number, since it is larger than the sum of its proper divisors (134391).

379689 is a wasteful number, since it uses less digits than its factorization.

379689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959.

The product of its digits is 81648, while the sum is 42.

The square root of 379689 is about 616.1890943533. The cubic root of 379689 is about 72.4117992023.

The spelling of 379689 in words is "three hundred seventy-nine thousand, six hundred eighty-nine".

Divisors: 1 3 67 201 1889 5667 126563 379689