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423420230 = 25371144379
BaseRepresentation
bin11001001111001…
…110000101000110
31002111201222100202
4121033032011012
51331343421410
6110003210502
713331004212
oct3117160506
91074658322
10423420230
111a8011982
12b9976a32
136995171c
144033d942
152728cca5
hex193ce146

423420230 has 16 divisors (see below), whose sum is σ = 782755920. Its totient is φ = 164790432.

The previous prime is 423420203. The next prime is 423420251. The reversal of 423420230 is 32024324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571820 + ... + 572559.

It is an arithmetic number, because the mean of its divisors is an integer number (48922245).

Almost surely, 2423420230 is an apocalyptic number.

423420230 is a deficient number, since it is larger than the sum of its proper divisors (359335690).

423420230 is a wasteful number, since it uses less digits than its factorization.

423420230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144423.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 423420230 is about 20577.1774060487. The cubic root of 423420230 is about 750.9145761325.

Adding to 423420230 its reverse (32024324), we get a palindrome (455444554).

The spelling of 423420230 in words is "four hundred twenty-three million, four hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 1144379 2288758 5721895 11443790 42342023 84684046 211710115 423420230