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201532053 = 367177351
BaseRepresentation
bin11000000001100…
…10001010010101
3112001012220000010
430000302022111
5403043011203
631555310433
74664665002
oct1400621225
9461186003
10201532053
11a383a018
12575ab419
13329a2748
141caa08a9
1512a5d303
hexc032295

201532053 has 4 divisors (see below), whose sum is σ = 268709408. Its totient is φ = 134354700.

The previous prime is 201532033. The next prime is 201532057. The reversal of 201532053 is 350235102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 201532053 - 26 = 201531989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201532057) 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, 33588673 + ... + 33588678.

It is an arithmetic number, because the mean of its divisors is an integer number (67177352).

Almost surely, 2201532053 is an apocalyptic number.

It is an amenable number.

201532053 is a deficient number, since it is larger than the sum of its proper divisors (67177355).

201532053 is an equidigital number, since it uses as much as digits as its factorization.

201532053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67177354.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 201532053 is about 14196.1985404544. The cubic root of 201532053 is about 586.2930009390.

Adding to 201532053 its reverse (350235102), we get a palindrome (551767155).

The spelling of 201532053 in words is "two hundred one million, five hundred thirty-two thousand, fifty-three".

Divisors: 1 3 67177351 201532053