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420116239 = 1954740423
BaseRepresentation
bin11001000010100…
…111011100001111
31002021112010010201
4121002213130033
51330022204424
6105404314331
713260633454
oct3102473417
91067463121
10420116239
111a6165604
12b88429a7
13690658ba
143db1d82b
1526d38d44
hex190a770f

420116239 has 8 divisors (see below), whose sum is σ = 443047040. Its totient is φ = 397267416.

The previous prime is 420116231. The next prime is 420116251. The reversal of 420116239 is 932611024.

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

It is a cyclic number.

It is not a de Polignac number, because 420116239 - 23 = 420116231 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 (420116231) 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, 9819 + ... + 30604.

It is an arithmetic number, because the mean of its divisors is an integer number (55380880).

Almost surely, 2420116239 is an apocalyptic number.

420116239 is a deficient number, since it is larger than the sum of its proper divisors (22930801).

420116239 is a wasteful number, since it uses less digits than its factorization.

420116239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40989.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 420116239 is about 20496.7372769424. The cubic root of 420116239 is about 748.9563195745.

The spelling of 420116239 in words is "four hundred twenty million, one hundred sixteen thousand, two hundred thirty-nine".

Divisors: 1 19 547 10393 40423 768037 22111381 420116239