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68119060 = 2253405953
BaseRepresentation
bin1000000111101…
…10101000010100
311202011210210011
410003312220110
5114414302220
610432010004
71455000562
oct403665024
9152153704
1068119060
11354a6949
121a990904
1311160649
149092a32
155ea865a
hex40f6a14

68119060 has 12 divisors (see below), whose sum is σ = 143050068. Its totient is φ = 27247616.

The previous prime is 68119043. The next prime is 68119061. The reversal of 68119060 is 6091186.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47361924 + 20757136 = 6882^2 + 4556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68119061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702957 + ... + 1702996.

It is an arithmetic number, because the mean of its divisors is an integer number (11920839).

Almost surely, 268119060 is an apocalyptic number.

It is an amenable number.

68119060 is an abundant number, since it is smaller than the sum of its proper divisors (74931008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68119060 is a wasteful number, since it uses less digits than its factorization.

68119060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405962 (or 3405960 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 68119060 is about 8253.4271669410. The cubic root of 68119060 is about 408.4035878934.

The spelling of 68119060 in words is "sixty-eight million, one hundred nineteen thousand, sixty".

Divisors: 1 2 4 5 10 20 3405953 6811906 13623812 17029765 34059530 68119060