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138063 = 346021
BaseRepresentation
bin100001101101001111
321000101110
4201231033
513404223
62543103
71113342
oct415517
9230343
10138063
1194802
1267a93
134aac3
1438459
152ad93
hex21b4f

138063 has 4 divisors (see below), whose sum is σ = 184088. Its totient is φ = 92040.

The previous prime is 138059. The next prime is 138071. The reversal of 138063 is 360831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360831 = 3120277.

It is not a de Polignac number, because 138063 - 22 = 138059 is a prime.

It is a super-2 number, since 2×1380632 = 38122783938, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23008 + ... + 23013.

It is an arithmetic number, because the mean of its divisors is an integer number (46022).

2138063 is an apocalyptic number.

138063 is a deficient number, since it is larger than the sum of its proper divisors (46025).

138063 is an equidigital number, since it uses as much as digits as its factorization.

138063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46024.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 138063 is about 371.5682978942. The cubic root of 138063 is about 51.6843551414.

Adding to 138063 its reverse (360831), we get a palindrome (498894).

The spelling of 138063 in words is "one hundred thirty-eight thousand, sixty-three".

Divisors: 1 3 46021 138063