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4420110421 = 14891296831
BaseRepresentation
bin1000001110111010…
…11000100001010101
3102102001012212121101
410013131120201111
533023022013141
62010334150101
7214351214206
oct40735304125
912361185541
104420110421
111969045421
12a34352331
1355598476c
142dd0715ad
151ad0ac531
hex107758855

4420110421 has 4 divisors (see below), whose sum is σ = 4420422144. Its totient is φ = 4419798700.

The previous prime is 4420110397. The next prime is 4420110427. The reversal of 4420110421 is 1240110244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4420110421 - 25 = 4420110389 is a prime.

It is a super-2 number, since 2×44201104212 = 39074752267665594482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420110427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133525 + ... + 163306.

It is an arithmetic number, because the mean of its divisors is an integer number (1105105536).

Almost surely, 24420110421 is an apocalyptic number.

It is an amenable number.

4420110421 is a deficient number, since it is larger than the sum of its proper divisors (311723).

4420110421 is a wasteful number, since it uses less digits than its factorization.

4420110421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311722.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4420110421 is about 66483.9109935629. The cubic root of 4420110421 is about 1641.1352467175.

Adding to 4420110421 its reverse (1240110244), we get a palindrome (5660220665).

The spelling of 4420110421 in words is "four billion, four hundred twenty million, one hundred ten thousand, four hundred twenty-one".

Divisors: 1 14891 296831 4420110421