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201530413 = 743965581
BaseRepresentation
bin11000000001100…
…01110000101101
3112001012210202101
430000301300231
5403042433123
631555255101
74664660140
oct1400616055
9461183671
10201530413
11a3838867
12575aa491
13329a1a86
141caa0057
1512a5caad
hexc031c2d

201530413 has 8 divisors (see below), whose sum is σ = 230848640. Its totient is φ = 172344240.

The previous prime is 201530383. The next prime is 201530419. The reversal of 201530413 is 314035102.

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

It is a cyclic number.

It is not a de Polignac number, because 201530413 - 29 = 201529901 is a prime.

It is a super-2 number, since 2×2015304132 = 81229014727901138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201530419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29718 + ... + 35863.

It is an arithmetic number, because the mean of its divisors is an integer number (28856080).

Almost surely, 2201530413 is an apocalyptic number.

It is an amenable number.

201530413 is a deficient number, since it is larger than the sum of its proper divisors (29318227).

201530413 is an equidigital number, since it uses as much as digits as its factorization.

201530413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66027.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 201530413 is about 14196.1407783947. The cubic root of 201530413 is about 586.2914105830.

Adding to 201530413 its reverse (314035102), we get a palindrome (515565515).

The spelling of 201530413 in words is "two hundred one million, five hundred thirty thousand, four hundred thirteen".

Divisors: 1 7 439 3073 65581 459067 28790059 201530413