Search a number
-
+
201523041 = 3254141389
BaseRepresentation
bin11000000001011…
…11111101100001
3112001012102122100
430000233331201
5403042214131
631555201013
74664626506
oct1400577541
9461172570
10201523041
11a3833275
12575a6169
133299b605
141ca9b4ad
1512a5a7e6
hexc02ff61

201523041 has 12 divisors (see below), whose sum is σ = 291633940. Its totient is φ = 134097120.

The previous prime is 201523037. The next prime is 201523043. The reversal of 201523041 is 140325102.

201523041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 111197025 + 90326016 = 10545^2 + 9504^2 .

It is not a de Polignac number, because 201523041 - 22 = 201523037 is a prime.

It is a super-2 number, since 2×2015230412 = 81223072107775362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201523043) 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, 15826 + ... + 25563.

Almost surely, 2201523041 is an apocalyptic number.

It is an amenable number.

201523041 is a deficient number, since it is larger than the sum of its proper divisors (90110899).

201523041 is a wasteful number, since it uses less digits than its factorization.

201523041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41936 (or 41933 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 201523041 is about 14195.8811279892. The cubic root of 201523041 is about 586.2842616323.

Adding to 201523041 its reverse (140325102), we get a palindrome (341848143).

The spelling of 201523041 in words is "two hundred one million, five hundred twenty-three thousand, forty-one".

Divisors: 1 3 9 541 1623 4869 41389 124167 372501 22391449 67174347 201523041