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423043917 = 31291109229
BaseRepresentation
bin11001001101110…
…010001101001101
31002111000212011020
4121031302031031
51331244401132
6105551144353
713324546122
oct3115621515
91074025136
10423043917
111a788517a
12b98150b9
136984c35a
1440282749
152721652c
hex1937234d

423043917 has 8 divisors (see below), whose sum is σ = 564500640. Its totient is φ = 281808240.

The previous prime is 423043913. The next prime is 423043919. The reversal of 423043917 is 719340324.

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

It is not a de Polignac number, because 423043917 - 22 = 423043913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423043913) 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, 50742 + ... + 58487.

It is an arithmetic number, because the mean of its divisors is an integer number (70562580).

Almost surely, 2423043917 is an apocalyptic number.

It is an amenable number.

423043917 is a deficient number, since it is larger than the sum of its proper divisors (141456723).

423043917 is a wasteful number, since it uses less digits than its factorization.

423043917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110523.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 423043917 is about 20568.0314322980. The cubic root of 423043917 is about 750.6920527764.

The spelling of 423043917 in words is "four hundred twenty-three million, forty-three thousand, nine hundred seventeen".

Divisors: 1 3 1291 3873 109229 327687 141014639 423043917