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369139 = 419881
BaseRepresentation
bin1011010000111110011
3200202100211
41122013303
543303024
611524551
73065131
oct1320763
9622324
10369139
11232381
12159757
13cc034
1498751
1574594
hex5a1f3

369139 has 4 divisors (see below), whose sum is σ = 370440. Its totient is φ = 367840.

The previous prime is 369137. The next prime is 369143. The reversal of 369139 is 931963.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 369139 - 21 = 369137 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 369139.

It is not an unprimeable number, because it can be changed into a prime (369133) 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, 22 + ... + 859.

It is an arithmetic number, because the mean of its divisors is an integer number (92610).

2369139 is an apocalyptic number.

369139 is a deficient number, since it is larger than the sum of its proper divisors (1301).

369139 is an equidigital number, since it uses as much as digits as its factorization.

369139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its digits is 4374, while the sum is 31.

The square root of 369139 is about 607.5681031786. The cubic root of 369139 is about 71.7348140920.

The spelling of 369139 in words is "three hundred sixty-nine thousand, one hundred thirty-nine".

Divisors: 1 419 881 369139