Search a number
-
+
138325 = 5211503
BaseRepresentation
bin100001110001010101
321000202011
4201301111
513411300
62544221
71114165
oct416125
9230664
10138325
1194a20
1268071
134ac65
14385a5
152aeba
hex21c55

138325 has 12 divisors (see below), whose sum is σ = 187488. Its totient is φ = 100400.

The previous prime is 138323. The next prime is 138337. The reversal of 138325 is 523831.

It is not a de Polignac number, because 138325 - 21 = 138323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138296 and 138305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24 + ... + 526.

It is an arithmetic number, because the mean of its divisors is an integer number (15624).

2138325 is an apocalyptic number.

It is an amenable number.

138325 is a deficient number, since it is larger than the sum of its proper divisors (49163).

138325 is a wasteful number, since it uses less digits than its factorization.

138325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 519 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 138325 is about 371.9206904704. The cubic root of 138325 is about 51.7170280138.

It can be divided in two parts, 138 and 325, that multiplied together give a triangular number (44850 = T299).

The spelling of 138325 in words is "one hundred thirty-eight thousand, three hundred twenty-five".

Divisors: 1 5 11 25 55 275 503 2515 5533 12575 27665 138325