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420179912 = 23103950551
BaseRepresentation
bin11001000010110…
…110111111001000
31002021122100110222
4121002312333020
51330031224122
6105405525212
713261320215
oct3102667710
91067570428
10420179912
111a61a9429
12b8873808
1369088889
143db38b0c
1526d4cb42
hex190b6fc8

420179912 has 16 divisors (see below), whose sum is σ = 788611200. Its totient is φ = 209883600.

The previous prime is 420179909. The next prime is 420179923. The reversal of 420179912 is 219971024.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16964 + ... + 33587.

It is an arithmetic number, because the mean of its divisors is an integer number (49288200).

Almost surely, 2420179912 is an apocalyptic number.

It is an amenable number.

420179912 is a deficient number, since it is larger than the sum of its proper divisors (368431288).

420179912 is a wasteful number, since it uses less digits than its factorization.

420179912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51596 (or 51592 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 420179912 is about 20498.2904653047. The cubic root of 420179912 is about 748.9941550450.

The spelling of 420179912 in words is "four hundred twenty million, one hundred seventy-nine thousand, nine hundred twelve".

Divisors: 1 2 4 8 1039 2078 4156 8312 50551 101102 202204 404408 52522489 105044978 210089956 420179912