Search a number
-
+
158523741 = 3220298681
BaseRepresentation
bin10010111001011…
…10000101011101
3102001021211200200
421130232011131
5311040224431
623421414113
73633300225
oct1134560535
9361254620
10158523741
1181534262
124510a339
1326ac483c
14170a7085
15ddb4ee6
hex972e15d

158523741 has 12 divisors (see below), whose sum is σ = 229117980. Its totient is φ = 105618240.

The previous prime is 158523731. The next prime is 158523763. The reversal of 158523741 is 147325851.

158523741 is a `hidden beast` number, since 1 + 585 + 2 + 3 + 74 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 147987225 + 10536516 = 12165^2 + 3246^2 .

It is not a de Polignac number, because 158523741 - 25 = 158523709 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 158523696 and 158523705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158523731) 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, 13921 + ... + 22601.

It is an arithmetic number, because the mean of its divisors is an integer number (19093165).

Almost surely, 2158523741 is an apocalyptic number.

It is an amenable number.

158523741 is a deficient number, since it is larger than the sum of its proper divisors (70594239).

158523741 is a wasteful number, since it uses less digits than its factorization.

158523741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10716 (or 10713 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 158523741 is about 12590.6211522704. The cubic root of 158523741 is about 541.2087019641.

The spelling of 158523741 in words is "one hundred fifty-eight million, five hundred twenty-three thousand, seven hundred forty-one".

Divisors: 1 3 9 2029 6087 8681 18261 26043 78129 17613749 52841247 158523741