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423384213 = 3720161153
BaseRepresentation
bin11001001111000…
…101010010010101
31002111200010221210
4121033011102111
51331341243323
6110002332033
713330464210
oct3117052225
91074603853
10423384213
111a7a9790a
12b995a019
136993b205
1440330777
1527282293
hex193c5495

423384213 has 8 divisors (see below), whose sum is σ = 645156928. Its totient is φ = 241933824.

The previous prime is 423384209. The next prime is 423384257. The reversal of 423384213 is 312483324.

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

It is not a de Polignac number, because 423384213 - 22 = 423384209 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 (423384263) 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, 10080556 + ... + 10080597.

It is an arithmetic number, because the mean of its divisors is an integer number (80644616).

Almost surely, 2423384213 is an apocalyptic number.

It is an amenable number.

423384213 is a deficient number, since it is larger than the sum of its proper divisors (221772715).

423384213 is a wasteful number, since it uses less digits than its factorization.

423384213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20161163.

The product of its digits is 13824, while the sum is 30.

The square root of 423384213 is about 20576.3022188147. The cubic root of 423384213 is about 750.8932840801.

The spelling of 423384213 in words is "four hundred twenty-three million, three hundred eighty-four thousand, two hundred thirteen".

Divisors: 1 3 7 21 20161153 60483459 141128071 423384213