Search a number
-
+
1003221223 = 19106949393
BaseRepresentation
bin111011110010111…
…111000011100111
32120220201220210121
4323302333003213
54023311034343
6243314302411
733601145134
oct7362770347
92526656717
101003221223
11475323a54
1223bb87a07
1312cac7434
149734958b
155d11aaed
hex3bcbf0e7

1003221223 has 8 divisors (see below), whose sum is σ = 1057031600. Its totient is φ = 949511808.

The previous prime is 1003221181. The next prime is 1003221227. The reversal of 1003221223 is 3221223001.

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 1003221223 - 221 = 1001124071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003221197 and 1003221206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003221227) 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, 4386 + ... + 45007.

It is an arithmetic number, because the mean of its divisors is an integer number (132128950).

Almost surely, 21003221223 is an apocalyptic number.

1003221223 is a deficient number, since it is larger than the sum of its proper divisors (53810377).

1003221223 is a wasteful number, since it uses less digits than its factorization.

1003221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50481.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1003221223 is about 31673.6676594297. The cubic root of 1003221223 is about 1001.0725901391.

Adding to 1003221223 its reverse (3221223001), we get a palindrome (4224444224).

The spelling of 1003221223 in words is "one billion, three million, two hundred twenty-one thousand, two hundred twenty-three".

Divisors: 1 19 1069 20311 49393 938467 52801117 1003221223