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420113420 = 22561334267
BaseRepresentation
bin11001000010100…
…110110000001100
31002021111222021022
4121002212300030
51330022112140
6105404253312
713260622316
oct3102466014
91067458238
10420113420
111a6163481
12b8841238
136906452c
143db1c7b6
1526d380b5
hex190a6c0c

420113420 has 24 divisors (see below), whose sum is σ = 883703184. Its totient is φ = 167766336.

The previous prime is 420113411. The next prime is 420113431. The reversal of 420113420 is 24311024.

420113420 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4874 + ... + 29393.

It is an arithmetic number, because the mean of its divisors is an integer number (36820966).

Almost surely, 2420113420 is an apocalyptic number.

It is an amenable number.

420113420 is an abundant number, since it is smaller than the sum of its proper divisors (463589764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420113420 is a wasteful number, since it uses less digits than its factorization.

420113420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34889 (or 34887 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 420113420 is about 20496.6685097847. The cubic root of 420113420 is about 748.9546443932.

Adding to 420113420 its reverse (24311024), we get a palindrome (444424444).

The spelling of 420113420 in words is "four hundred twenty million, one hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 613 1226 2452 3065 6130 12260 34267 68534 137068 171335 342670 685340 21005671 42011342 84022684 105028355 210056710 420113420