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68025141 = 327558349
BaseRepresentation
bin1000000110111…
…11101100110101
311202000000221200
410003133230311
5114403301031
610430003113
71454130012
oct403375465
9152000850
1068025141
1135442328
121a946499
1311129982
14906a709
155e8a8e6
hex40dfb35

68025141 has 6 divisors (see below), whose sum is σ = 98258550. Its totient is φ = 45350088.

The previous prime is 68025131. The next prime is 68025151. The reversal of 68025141 is 14152086.

It is an interprime number because it is at equal distance from previous prime (68025131) and next prime (68025151).

It can be written as a sum of positive squares in only one way, i.e., 58844241 + 9180900 = 7671^2 + 3030^2 .

It is not a de Polignac number, because 68025141 - 26 = 68025077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68025131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3779166 + ... + 3779183.

It is an arithmetic number, because the mean of its divisors is an integer number (16376425).

Almost surely, 268025141 is an apocalyptic number.

It is an amenable number.

68025141 is a deficient number, since it is larger than the sum of its proper divisors (30233409).

68025141 is a wasteful number, since it uses less digits than its factorization.

68025141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7558355 (or 7558352 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 68025141 is about 8247.7355073984. The cubic root of 68025141 is about 408.2158063912.

The spelling of 68025141 in words is "sixty-eight million, twenty-five thousand, one hundred forty-one".

Divisors: 1 3 9 7558349 22675047 68025141