Search a number
-
+
158727 = 3157337
BaseRepresentation
bin100110110000000111
322001201210
4212300013
520034402
63222503
71230522
oct466007
9261653
10158727
11a9288
1277a33
135732a
1441bb9
153206c
hex26c07

158727 has 8 divisors (see below), whose sum is σ = 213616. Its totient is φ = 104832.

The previous prime is 158699. The next prime is 158731. The reversal of 158727 is 727851.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 158727 - 26 = 158663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158694 and 158703.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 158727.

It is not an unprimeable number, because it can be changed into a prime (158747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303 + ... + 639.

It is an arithmetic number, because the mean of its divisors is an integer number (26702).

2158727 is an apocalyptic number.

158727 is a deficient number, since it is larger than the sum of its proper divisors (54889).

158727 is a wasteful number, since it uses less digits than its factorization.

158727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497.

The product of its digits is 3920, while the sum is 30.

The square root of 158727 is about 398.4055722502. The cubic root of 158727 is about 54.1439915611.

It can be divided in two parts, 1587 and 27, that multiplied together give a square (42849 = 2072).

The spelling of 158727 in words is "one hundred fifty-eight thousand, seven hundred twenty-seven".

Divisors: 1 3 157 337 471 1011 52909 158727