Base | Representation |
---|---|
bin | 1000000110010… |
… | …10110001110001 |
3 | 11201211200101121 |
4 | 10003022301301 |
5 | 114343030231 |
6 | 10424102241 |
7 | 1453322113 |
oct | 403126161 |
9 | 151750347 |
10 | 67939441 |
11 | 353939a9 |
12 | 1a904981 |
13 | 110c996b |
14 | 90473b3 |
15 | 5e70311 |
hex | 40cac71 |
67939441 has 8 divisors (see below), whose sum is σ = 69943104. Its totient is φ = 65955120.
The previous prime is 67939433. The next prime is 67939451. The reversal of 67939441 is 14493976.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 67939441 - 23 = 67939433 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67939411) 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 7 ways as a sum of consecutive naturals, for example, 2451 + ... + 11911.
It is an arithmetic number, because the mean of its divisors is an integer number (8742888).
Almost surely, 267939441 is an apocalyptic number.
It is an amenable number.
67939441 is a deficient number, since it is larger than the sum of its proper divisors (2003663).
67939441 is a wasteful number, since it uses less digits than its factorization.
67939441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9671.
The product of its digits is 163296, while the sum is 43.
The square root of 67939441 is about 8242.5385046113. The cubic root of 67939441 is about 408.0443070715.
The spelling of 67939441 in words is "sixty-seven million, nine hundred thirty-nine thousand, four hundred forty-one".
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