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202132131 = 367377377
BaseRepresentation
bin11000000110001…
…00101010100011
3112002100101011020
430003010222203
5403221212011
632020220523
75003044335
oct1403045243
9462311136
10202132131
11a4109953
125783a743
1332b52916
141cbb9455
1512b2b006
hexc0c4aa3

202132131 has 4 divisors (see below), whose sum is σ = 269509512. Its totient is φ = 134754752.

The previous prime is 202132111. The next prime is 202132157. The reversal of 202132131 is 131231202.

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 202132131 - 27 = 202132003 is a prime.

It is a super-2 number, since 2×2021321312 = 81714796765202322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202132131.

It is not an unprimeable number, because it can be changed into a prime (202132111) 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 3 ways as a sum of consecutive naturals, for example, 33688686 + ... + 33688691.

It is an arithmetic number, because the mean of its divisors is an integer number (67377378).

Almost surely, 2202132131 is an apocalyptic number.

202132131 is a deficient number, since it is larger than the sum of its proper divisors (67377381).

202132131 is an equidigital number, since it uses as much as digits as its factorization.

202132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67377380.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 202132131 is about 14217.3179960216. The cubic root of 202132131 is about 586.8743359513.

Adding to 202132131 its reverse (131231202), we get a palindrome (333363333).

The spelling of 202132131 in words is "two hundred two million, one hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 3 67377377 202132131