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202133147 = 211957977
BaseRepresentation
bin11000000110001…
…00111010011011
3112002100102112212
430003010322123
5403221230042
632020225335
75003050316
oct1403047233
9462312485
10202133147
11a410a697
125783b24b
1332b53218
141cbb997d
1512b2b482
hexc0c4e9b

202133147 has 4 divisors (see below), whose sum is σ = 203091336. Its totient is φ = 201174960.

The previous prime is 202133101. The next prime is 202133201. The reversal of 202133147 is 741331202.

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 202133147 - 214 = 202116763 is a prime.

It is a super-2 number, since 2×2021331472 = 81715618232247218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202133447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478778 + ... + 479199.

It is an arithmetic number, because the mean of its divisors is an integer number (50772834).

Almost surely, 2202133147 is an apocalyptic number.

202133147 is a deficient number, since it is larger than the sum of its proper divisors (958189).

202133147 is an equidigital number, since it uses as much as digits as its factorization.

202133147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958188.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 202133147 is about 14217.3537270478. The cubic root of 202133147 is about 586.8753192410.

Adding to 202133147 its reverse (741331202), we get a palindrome (943464349).

The spelling of 202133147 in words is "two hundred two million, one hundred thirty-three thousand, one hundred forty-seven".

Divisors: 1 211 957977 202133147