Base | Representation |
---|---|
bin | 1000001000101… |
… | …00110000011101 |
3 | 11202102002001120 |
4 | 10010110300131 |
5 | 114432224321 |
6 | 10434401153 |
7 | 1456023420 |
oct | 404246035 |
9 | 152362046 |
10 | 68242461 |
11 | 35580631 |
12 | 1aa301b9 |
13 | 111a4871 |
14 | 90c59b7 |
15 | 5eceec6 |
hex | 4114c1d |
68242461 has 8 divisors (see below), whose sum is σ = 103988544. Its totient is φ = 38995680.
The previous prime is 68242457. The next prime is 68242463. The reversal of 68242461 is 16424286.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68242461 - 22 = 68242457 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68242463) 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, 1624800 + ... + 1624841.
It is an arithmetic number, because the mean of its divisors is an integer number (12998568).
Almost surely, 268242461 is an apocalyptic number.
It is an amenable number.
68242461 is a deficient number, since it is larger than the sum of its proper divisors (35746083).
68242461 is a wasteful number, since it uses less digits than its factorization.
68242461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3249651.
The product of its digits is 18432, while the sum is 33.
The square root of 68242461 is about 8260.8995272912. The cubic root of 68242461 is about 408.6500534655.
The spelling of 68242461 in words is "sixty-eight million, two hundred forty-two thousand, four hundred sixty-one".
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