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67828003 = 478871627
BaseRepresentation
bin1000000101011…
…11100100100011
311201122000112021
410002233210203
5114330444003
610421442311
71452346165
oct402574443
9151560467
1067828003
1135318201
121a870397
131108b019
149018935
155e4c2bd
hex40af923

67828003 has 8 divisors (see below), whose sum is σ = 69391872. Its totient is φ = 66269256.

The previous prime is 67827979. The next prime is 67828009. The reversal of 67828003 is 30082876.

It is a happy number.

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 67828003 - 221 = 65730851 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 67828003.

It is not an unprimeable number, because it can be changed into a prime (67828009) 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, 40876 + ... + 42502.

It is an arithmetic number, because the mean of its divisors is an integer number (8673984).

Almost surely, 267828003 is an apocalyptic number.

67828003 is a deficient number, since it is larger than the sum of its proper divisors (1563869).

67828003 is a wasteful number, since it uses less digits than its factorization.

67828003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 67828003 is about 8235.7757983083. The cubic root of 67828003 is about 407.8210860912.

The spelling of 67828003 in words is "sixty-seven million, eight hundred twenty-eight thousand, three".

Divisors: 1 47 887 1627 41689 76469 1443149 67828003