Base | Representation |
---|---|
bin | 1000000001100… |
… | …01110001110000 |
3 | 11200122211201220 |
4 | 10000301301300 |
5 | 114213002002 |
6 | 10402425040 |
7 | 1445102043 |
oct | 400616160 |
9 | 150584656 |
10 | 67312752 |
11 | 34aa6081 |
12 | 1a662180 |
13 | 10c3a640 |
14 | 8d22c5a |
15 | 5d997bc |
hex | 4031c70 |
67312752 has 40 divisors (see below), whose sum is σ = 187269264. Its totient is φ = 20711424.
The previous prime is 67312723. The next prime is 67312753. The reversal of 67312752 is 25721376.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67312753) 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, 53313 + ... + 54560.
Almost surely, 267312752 is an apocalyptic number.
It is an amenable number.
67312752 is an abundant number, since it is smaller than the sum of its proper divisors (119956512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67312752 is a wasteful number, since it uses less digits than its factorization.
67312752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107897 (or 107891 counting only the distinct ones).
The product of its digits is 17640, while the sum is 33.
The square root of 67312752 is about 8204.4348982730. The cubic root of 67312752 is about 406.7857980576.
The spelling of 67312752 in words is "sixty-seven million, three hundred twelve thousand, seven hundred fifty-two".
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