Search a number
-
+
139338 = 2327741
BaseRepresentation
bin100010000001001010
321002010200
4202001022
513424323
62553030
71120143
oct420112
9232120
10139338
1195761
1268776
134b564
1438aca
152b443
hex2204a

139338 has 12 divisors (see below), whose sum is σ = 301938. Its totient is φ = 46440.

The previous prime is 139333. The next prime is 139339. The reversal of 139338 is 833931.

It can be written as a sum of positive squares in only one way, i.e., 131769 + 7569 = 363^2 + 87^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (139333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3853 + ... + 3888.

2139338 is an apocalyptic number.

139338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

139338 is an abundant number, since it is smaller than the sum of its proper divisors (162600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139338 is a wasteful number, since it uses less digits than its factorization.

139338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7749 (or 7746 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 139338 is about 373.2800557222. The cubic root of 139338 is about 51.8429680799.

It can be divided in two parts, 1393 and 38, that added together give a triangular number (1431 = T53).

The spelling of 139338 in words is "one hundred thirty-nine thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 9 18 7741 15482 23223 46446 69669 139338