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4220420333 = 25716979677
BaseRepresentation
bin1111101110001110…
…1000000011101101
3101220010110120022012
43323203220003231
532120411422313
61534442131005
7206404660313
oct37343500355
911803416265
104220420333
111876354298
129994b0a65
135234a854c
142c07300b3
1519a7b4da8
hexfb8e80ed

4220420333 has 8 divisors (see below), whose sum is σ = 4239776952. Its totient is φ = 4201086976.

The previous prime is 4220420299. The next prime is 4220420363. The reversal of 4220420333 is 3330240224.

It can be written as a sum of positive squares in 4 ways, for example, as 3392247049 + 828173284 = 58243^2 + 28778^2 .

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 4220420333 - 28 = 4220420077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4220420299 and 4220420308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220420363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431291 + ... + 440967.

It is an arithmetic number, because the mean of its divisors is an integer number (529972119).

Almost surely, 24220420333 is an apocalyptic number.

It is an amenable number.

4220420333 is a deficient number, since it is larger than the sum of its proper divisors (19356619).

4220420333 is a wasteful number, since it uses less digits than its factorization.

4220420333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11631.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 4220420333 is about 64964.7622407717. The cubic root of 4220420333 is about 1616.0392411404.

Adding to 4220420333 its reverse (3330240224), we get a palindrome (7550660557).

The spelling of 4220420333 in words is "four billion, two hundred twenty million, four hundred twenty thousand, three hundred thirty-three".

Divisors: 1 257 1697 9677 436129 2486989 16421869 4220420333