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68411095 = 513682219
BaseRepresentation
bin1000001001111…
…01111011010111
311202201122101021
410010331323113
5120003123340
610442142011
71460325154
oct404757327
9152648337
1068411095
11356862a5
121aab1907
131123354c
14912b22b
156014e4a
hex413ded7

68411095 has 4 divisors (see below), whose sum is σ = 82093320. Its totient is φ = 54728872.

The previous prime is 68411089. The next prime is 68411099. The reversal of 68411095 is 59011486.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59011486 = 229505743.

It is a cyclic number.

It is not a de Polignac number, because 68411095 - 213 = 68402903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68411095.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68411099) 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, 6841105 + ... + 6841114.

It is an arithmetic number, because the mean of its divisors is an integer number (20523330).

Almost surely, 268411095 is an apocalyptic number.

68411095 is a deficient number, since it is larger than the sum of its proper divisors (13682225).

68411095 is a wasteful number, since it uses less digits than its factorization.

68411095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13682224.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 68411095 is about 8271.0999873052. The cubic root of 68411095 is about 408.9863817418.

The spelling of 68411095 in words is "sixty-eight million, four hundred eleven thousand, ninety-five".

Divisors: 1 5 13682219 68411095