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423130533 = 3722878439
BaseRepresentation
bin11001001110000…
…111010110100101
31002111012020222020
4121032013112211
51331310134113
6105553053353
713325356500
oct3116072645
91074166866
10423130533
111a7934261
12b9857259
136987c8c7
14402a6137
1527232023
hex193875a5

423130533 has 12 divisors (see below), whose sum is σ = 656284320. Its totient is φ = 241788792.

The previous prime is 423130531. The next prime is 423130549. The reversal of 423130533 is 335031324.

It is a happy number.

It is not a de Polignac number, because 423130533 - 21 = 423130531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423130531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1439073 + ... + 1439366.

It is an arithmetic number, because the mean of its divisors is an integer number (54690360).

Almost surely, 2423130533 is an apocalyptic number.

It is an amenable number.

423130533 is a deficient number, since it is larger than the sum of its proper divisors (233153787).

423130533 is a wasteful number, since it uses less digits than its factorization.

423130533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878456 (or 2878449 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 423130533 is about 20570.1369222473. The cubic root of 423130533 is about 750.7432826867.

Adding to 423130533 its reverse (335031324), we get a palindrome (758161857).

The spelling of 423130533 in words is "four hundred twenty-three million, one hundred thirty thousand, five hundred thirty-three".

Divisors: 1 3 7 21 49 147 2878439 8635317 20149073 60447219 141043511 423130533