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68271503 = 198874051
BaseRepresentation
bin1000001000110…
…11110110001111
311202110112220012
410010123312033
5114434142003
610435143435
71456204166
oct404336617
9152415805
1068271503
11355a0433
121aa44b7b
13111b4b51
1490d23dd
155ed88d8
hex411bd8f

68271503 has 8 divisors (see below), whose sum is σ = 71963520. Its totient is φ = 64589400.

The previous prime is 68271499. The next prime is 68271523. The reversal of 68271503 is 30517286.

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 68271503 - 22 = 68271499 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 68271503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68271523) 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, 14828 + ... + 18878.

It is an arithmetic number, because the mean of its divisors is an integer number (8995440).

Almost surely, 268271503 is an apocalyptic number.

68271503 is a deficient number, since it is larger than the sum of its proper divisors (3692017).

68271503 is a wasteful number, since it uses less digits than its factorization.

68271503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 68271503 is about 8262.6571392017. The cubic root of 68271503 is about 408.7080150899.

Adding to 68271503 its reverse (30517286), we get a palindrome (98788789).

The spelling of 68271503 in words is "sixty-eight million, two hundred seventy-one thousand, five hundred three".

Divisors: 1 19 887 4051 16853 76969 3593237 68271503