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1033230221 = 23927715607
BaseRepresentation
bin111101100101011…
…101011110001101
32200000012112101222
4331211131132031
54104001331341
6250305413125
734414212002
oct7545353615
92600175358
101033230221
11490260181
1224a03a1a5
131360a353a
149b31b8a9
1560a9744b
hex3d95d78d

1033230221 has 8 divisors (see below), whose sum is σ = 1041365760. Its totient is φ = 1025126928.

The previous prime is 1033230181. The next prime is 1033230257. The reversal of 1033230221 is 1220323301.

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 1033230221 - 214 = 1033213837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1033230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033230521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58400 + ... + 74006.

It is an arithmetic number, because the mean of its divisors is an integer number (130170720).

Almost surely, 21033230221 is an apocalyptic number.

It is an amenable number.

1033230221 is a deficient number, since it is larger than the sum of its proper divisors (8135539).

1033230221 is a wasteful number, since it uses less digits than its factorization.

1033230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16123.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1033230221 is about 32143.8986589990. The cubic root of 1033230221 is about 1010.9562622553.

Adding to 1033230221 its reverse (1220323301), we get a palindrome (2253553522).

The spelling of 1033230221 in words is "one billion, thirty-three million, two hundred thirty thousand, two hundred twenty-one".

Divisors: 1 239 277 15607 66203 3730073 4323139 1033230221