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68807103 = 331373277
BaseRepresentation
bin1000001100111…
…10100110111111
311210110202121020
410012132212333
5120103311403
610454435223
71463564541
oct406364677
9153422536
1068807103
1135926882
121b062b13
1311341881
1491d1691
156092453
hex419e9bf

68807103 has 8 divisors (see below), whose sum is σ = 92037168. Its totient is φ = 45724224.

The previous prime is 68807093. The next prime is 68807119. The reversal of 68807103 is 30170886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68807103 - 214 = 68790719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68807153) 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, 35700 + ... + 37577.

It is an arithmetic number, because the mean of its divisors is an integer number (11504646).

Almost surely, 268807103 is an apocalyptic number.

68807103 is a deficient number, since it is larger than the sum of its proper divisors (23230065).

68807103 is a wasteful number, since it uses less digits than its factorization.

68807103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73593.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 68807103 is about 8295.0047016262. The cubic root of 68807103 is about 409.7740237979.

Adding to 68807103 its reverse (30170886), we get a palindrome (98977989).

The spelling of 68807103 in words is "sixty-eight million, eight hundred seven thousand, one hundred three".

Divisors: 1 3 313 939 73277 219831 22935701 68807103