Base | Representation |
---|---|
bin | 1000000010011… |
… | …10000110010001 |
3 | 11200212201212020 |
4 | 10001032012101 |
5 | 114230210003 |
6 | 10405122053 |
7 | 1446064200 |
oct | 401160621 |
9 | 150781766 |
10 | 67428753 |
11 | 35075247 |
12 | 1a6b9329 |
13 | 10c7b392 |
14 | 8d53237 |
15 | 5dbdd53 |
hex | 404e191 |
67428753 has 24 divisors (see below), whose sum is σ = 104985792. Its totient is φ = 38382624.
The previous prime is 67428743. The next prime is 67428769. The reversal of 67428753 is 35782476.
It is not a de Polignac number, because 67428753 - 25 = 67428721 is a prime.
It is a super-2 number, since 2×674287532 = 9093273462270018, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67428743) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45876 + ... + 47322.
It is an arithmetic number, because the mean of its divisors is an integer number (4374408).
Almost surely, 267428753 is an apocalyptic number.
It is an amenable number.
67428753 is a deficient number, since it is larger than the sum of its proper divisors (37557039).
67428753 is a wasteful number, since it uses less digits than its factorization.
67428753 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1781 (or 1774 counting only the distinct ones).
The product of its digits is 282240, while the sum is 42.
The square root of 67428753 is about 8211.5012634719. The cubic root of 67428753 is about 407.0193371596.
The spelling of 67428753 in words is "sixty-seven million, four hundred twenty-eight thousand, seven hundred fifty-three".
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