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420935937 = 3197993479
BaseRepresentation
bin11001000101101…
…111100100000001
31002100001202112220
4121011233210001
51330224422222
6105434041253
713300616322
oct3105574401
91070052486
10420935937
111a6675444
12b8b79229
1369291a26
143dc94449
1526e4bb5c
hex1916f901

420935937 has 16 divisors (see below), whose sum is σ = 598272000. Its totient is φ = 262486224.

The previous prime is 420935917. The next prime is 420935947. The reversal of 420935937 is 739539024.

It is not a de Polignac number, because 420935937 - 28 = 420935681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420935917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42237 + ... + 51242.

It is an arithmetic number, because the mean of its divisors is an integer number (37392000).

Almost surely, 2420935937 is an apocalyptic number.

It is an amenable number.

420935937 is a deficient number, since it is larger than the sum of its proper divisors (177336063).

420935937 is a wasteful number, since it uses less digits than its factorization.

420935937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93580.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 420935937 is about 20516.7233495020. The cubic root of 420935937 is about 749.4431048149.

The spelling of 420935937 in words is "four hundred twenty million, nine hundred thirty-five thousand, nine hundred thirty-seven".

Divisors: 1 3 19 57 79 237 1501 4503 93479 280437 1776101 5328303 7384841 22154523 140311979 420935937