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139382 = 269691
BaseRepresentation
bin100010000001110110
321002012022
4202001312
513430012
62553142
71120235
oct420166
9232168
10139382
11957a1
12687b2
134b599
1438b1c
152b472
hex22076

139382 has 4 divisors (see below), whose sum is σ = 209076. Its totient is φ = 69690.

The previous prime is 139369. The next prime is 139387. The reversal of 139382 is 283931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 283931 = 499569.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34844 + ... + 34847.

It is an arithmetic number, because the mean of its divisors is an integer number (52269).

2139382 is an apocalyptic number.

139382 is a deficient number, since it is larger than the sum of its proper divisors (69694).

139382 is an equidigital number, since it uses as much as digits as its factorization.

139382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69693.

The product of its digits is 1296, while the sum is 26.

The square root of 139382 is about 373.3389880524. The cubic root of 139382 is about 51.8484244774.

The spelling of 139382 in words is "one hundred thirty-nine thousand, three hundred eighty-two".

Divisors: 1 2 69691 139382