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4321420031 = 53149547223
BaseRepresentation
bin1000000011001001…
…11010001011111111
3102011011111212211202
410001210322023333
532322240420111
61552451010115
7212042315135
oct40144721377
912134455752
104321420031
111918368915
12a0729993b
1353b3ac096
142cdd01755
151a45b5b3b
hex10193a2ff

4321420031 has 8 divisors (see below), whose sum is σ = 4432514400. Its totient is φ = 4211420512.

The previous prime is 4321420027. The next prime is 4321420091. The reversal of 4321420031 is 1300241234.

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 4321420031 - 22 = 4321420027 is a prime.

It is a super-2 number, since 2×43214200312 = 37349342168656081922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4321419985 and 4321420012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321420091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265715 + ... + 281508.

It is an arithmetic number, because the mean of its divisors is an integer number (554064300).

Almost surely, 24321420031 is an apocalyptic number.

4321420031 is a deficient number, since it is larger than the sum of its proper divisors (111094369).

4321420031 is a wasteful number, since it uses less digits than its factorization.

4321420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547425.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4321420031 is about 65737.5085548578. The cubic root of 4321420031 is about 1628.8290021280.

Adding to 4321420031 its reverse (1300241234), we get a palindrome (5621661265).

The spelling of 4321420031 in words is "four billion, three hundred twenty-one million, four hundred twenty thousand, thirty-one".

Divisors: 1 53 149 7897 547223 29002819 81536227 4321420031