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202434143 = 1791995683
BaseRepresentation
bin11000001000011…
…10011001011111
3112002220201102212
430010032121133
5403310343033
632030511035
75005443002
oct1404163137
9462821385
10202434143
11a42a584a
125796547b
1332c2a222
141cc57539
1512b8a748
hexc10e65f

202434143 has 8 divisors (see below), whose sum is σ = 204624000. Its totient is φ = 200256408.

The previous prime is 202434139. The next prime is 202434157. The reversal of 202434143 is 341434202.

202434143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202434143 - 22 = 202434139 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 (202434443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32780 + ... + 38462.

It is an arithmetic number, because the mean of its divisors is an integer number (25578000).

Almost surely, 2202434143 is an apocalyptic number.

202434143 is a deficient number, since it is larger than the sum of its proper divisors (2189857).

202434143 is a wasteful number, since it uses less digits than its factorization.

202434143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 202434143 is about 14227.9353034796. The cubic root of 202434143 is about 587.1664796586.

Adding to 202434143 its reverse (341434202), we get a palindrome (543868345).

The spelling of 202434143 in words is "two hundred two million, four hundred thirty-four thousand, one hundred forty-three".

Divisors: 1 179 199 5683 35621 1017257 1130917 202434143