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68480003 = 611122623
BaseRepresentation
bin1000001010011…
…10110000000011
311202212010220102
410011032300003
5120012330003
610443433015
71461033104
oct405166003
9152763812
1068480003
1135723049
121ab2576b
1311258a17
1491483ab
15602a588
hex414ec03

68480003 has 4 divisors (see below), whose sum is σ = 69602688. Its totient is φ = 67357320.

The previous prime is 68479979. The next prime is 68480011. The reversal of 68480003 is 30008486.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68480003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68480033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561251 + ... + 561372.

It is an arithmetic number, because the mean of its divisors is an integer number (17400672).

Almost surely, 268480003 is an apocalyptic number.

68480003 is a deficient number, since it is larger than the sum of its proper divisors (1122685).

68480003 is a wasteful number, since it uses less digits than its factorization.

68480003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122684.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 68480003 is about 8275.2645274940. The cubic root of 68480003 is about 409.1236546822.

Adding to 68480003 its reverse (30008486), we get a palindrome (98488489).

The spelling of 68480003 in words is "sixty-eight million, four hundred eighty thousand, three".

Divisors: 1 61 1122623 68480003