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4221020233 = 31416154443
BaseRepresentation
bin1111101110010111…
…1010100001001001
3101220011121001012201
43323211322201021
532121040121413
61534503040201
7206413036303
oct37345724111
911804531181
104221020233
111876723a81
12999740061
13523658611
142c0848973
1519a8829dd
hexfb97a849

4221020233 has 16 divisors (see below), whose sum is σ = 4536709632. Its totient is φ = 3919824000.

The previous prime is 4221020231. The next prime is 4221020249. The reversal of 4221020233 is 3320201224.

It is a cyclic number.

It is not a de Polignac number, because 4221020233 - 21 = 4221020231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4221020233.

It is not an unprimeable number, because it can be changed into a prime (4221020231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50310 + ... + 104752.

It is an arithmetic number, because the mean of its divisors is an integer number (283544352).

Almost surely, 24221020233 is an apocalyptic number.

It is an amenable number.

4221020233 is a deficient number, since it is larger than the sum of its proper divisors (315689399).

4221020233 is a wasteful number, since it uses less digits than its factorization.

4221020233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54576.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4221020233 is about 64969.3791951255. The cubic root of 4221020233 is about 1616.1158066587.

Adding to 4221020233 its reverse (3320201224), we get a palindrome (7541221457).

The spelling of 4221020233 in words is "four billion, two hundred twenty-one million, twenty thousand, two hundred thirty-three".

Divisors: 1 31 41 61 1271 1891 2501 54443 77531 1687733 2232163 3321023 69197053 102951713 136161943 4221020233