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202230043 = 839241037
BaseRepresentation
bin11000000110111…
…00100100011011
3112002112100110121
430003130210123
5403232330133
632022254111
75003632651
oct1403344433
9462470417
10202230043
11a4176474
1257887337
1332b88362
141cc02dd1
1512b4a02d
hexc0dc91b

202230043 has 4 divisors (see below), whose sum is σ = 202471920. Its totient is φ = 201988168.

The previous prime is 202230001. The next prime is 202230047. The reversal of 202230043 is 340032202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202230043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202229999 and 202230026.

It is not an unprimeable number, because it can be changed into a prime (202230047) 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, 119680 + ... + 121357.

It is an arithmetic number, because the mean of its divisors is an integer number (50617980).

Almost surely, 2202230043 is an apocalyptic number.

202230043 is a deficient number, since it is larger than the sum of its proper divisors (241877).

202230043 is an equidigital number, since it uses as much as digits as its factorization.

202230043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241876.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 202230043 is about 14220.7609852638. The cubic root of 202230043 is about 586.9690805194.

Adding to 202230043 its reverse (340032202), we get a palindrome (542262245).

The spelling of 202230043 in words is "two hundred two million, two hundred thirty thousand, forty-three".

Divisors: 1 839 241037 202230043