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1003440223 = 29157220391
BaseRepresentation
bin111011110011110…
…100100001011111
32120221011001012201
4323303310201133
54023340041343
6243323112331
733603046462
oct7363644137
92527131181
101003440223
11475463545
122400726a7
1312cb73016
14973a52d9
155d16094d
hex3bcf485f

1003440223 has 8 divisors (see below), whose sum is σ = 1044658080. Its totient is φ = 962663520.

The previous prime is 1003440211. The next prime is 1003440227. The reversal of 1003440223 is 3220443001.

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 1003440223 - 29 = 1003439711 is a prime.

It is a super-2 number, since 2×10034402232 = 2013784562268579458, which contains 22 as substring.

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 1003440223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003440227) 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, 105643 + ... + 114748.

It is an arithmetic number, because the mean of its divisors is an integer number (130582260).

Almost surely, 21003440223 is an apocalyptic number.

1003440223 is a deficient number, since it is larger than the sum of its proper divisors (41217857).

1003440223 is a wasteful number, since it uses less digits than its factorization.

1003440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220577.

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

The square root of 1003440223 is about 31677.1246012008. The cubic root of 1003440223 is about 1001.1454284926.

Adding to 1003440223 its reverse (3220443001), we get a palindrome (4223883224).

The spelling of 1003440223 in words is "one billion, three million, four hundred forty thousand, two hundred twenty-three".

Divisors: 1 29 157 4553 220391 6391339 34601387 1003440223