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423051213 = 313232511879
BaseRepresentation
bin11001001101110…
…011111111001101
31002111001020011110
4121031303333031
51331300114323
6105551242233
713324606314
oct3115637715
91074036143
10423051213
111a788a702
12b9819379
1369852780
144028527b
1527218793
hex19373fcd

423051213 has 32 divisors (see below), whose sum is σ = 636733440. Its totient is φ = 247896000.

The previous prime is 423051197. The next prime is 423051227. The reversal of 423051213 is 312150324.

It is not a de Polignac number, because 423051213 - 24 = 423051197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423051213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423051263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224208 + ... + 226086.

It is an arithmetic number, because the mean of its divisors is an integer number (19897920).

Almost surely, 2423051213 is an apocalyptic number.

It is an amenable number.

423051213 is a deficient number, since it is larger than the sum of its proper divisors (213682227).

423051213 is a wasteful number, since it uses less digits than its factorization.

423051213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 423051213 is about 20568.2087941561. The cubic root of 423051213 is about 750.6963683392.

The spelling of 423051213 in words is "four hundred twenty-three million, fifty-one thousand, two hundred thirteen".

Divisors: 1 3 13 23 39 69 251 299 753 897 1879 3263 5637 5773 9789 17319 24427 43217 73281 75049 129651 225147 471629 561821 1414887 1685463 6131177 10847467 18393531 32542401 141017071 423051213