Base | Representation |
---|---|
bin | 1000000010110… |
… | …10111011100100 |
3 | 11200222101222000 |
4 | 10001122323210 |
5 | 114233400231 |
6 | 10410205300 |
7 | 1446403350 |
oct | 401327344 |
9 | 150871860 |
10 | 67481316 |
11 | 35100791 |
12 | 1a723830 |
13 | 10c99296 |
14 | 8d68460 |
15 | 5dce6e6 |
hex | 405aee4 |
67481316 has 48 divisors (see below), whose sum is σ = 199946880. Its totient is φ = 19280160.
The previous prime is 67481299. The next prime is 67481317. The reversal of 67481316 is 61318476.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (67481317) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43875 + ... + 45386.
It is an arithmetic number, because the mean of its divisors is an integer number (4165560).
Almost surely, 267481316 is an apocalyptic number.
It is an amenable number.
67481316 is an abundant number, since it is smaller than the sum of its proper divisors (132465564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67481316 is a wasteful number, since it uses less digits than its factorization.
67481316 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89281 (or 89273 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 67481316 is about 8214.7012118518. The cubic root of 67481316 is about 407.1250714827.
The spelling of 67481316 in words is "sixty-seven million, four hundred eighty-one thousand, three hundred sixteen".
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