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201532427 = 1671206781
BaseRepresentation
bin11000000001100…
…10010000001011
3112001012220111222
430000302100023
5403043014202
631555312255
74664666045
oct1400622013
9461186458
10201532427
11a383a328
12575ab68b
13329a2975
141caa0a95
1512a5d4a2
hexc03240b

201532427 has 4 divisors (see below), whose sum is σ = 202739376. Its totient is φ = 200325480.

The previous prime is 201532393. The next prime is 201532469. The reversal of 201532427 is 724235102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201532427 - 212 = 201528331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201532396 and 201532405.

It is not an unprimeable number, because it can be changed into a prime (201532477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603224 + ... + 603557.

It is an arithmetic number, because the mean of its divisors is an integer number (50684844).

Almost surely, 2201532427 is an apocalyptic number.

201532427 is a deficient number, since it is larger than the sum of its proper divisors (1206949).

201532427 is a wasteful number, since it uses less digits than its factorization.

201532427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206948.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 201532427 is about 14196.2117129888. The cubic root of 201532427 is about 586.2933636165.

Adding to 201532427 its reverse (724235102), we get a palindrome (925767529).

The spelling of 201532427 in words is "two hundred one million, five hundred thirty-two thousand, four hundred twenty-seven".

Divisors: 1 167 1206781 201532427