Base | Representation |
---|---|
bin | 1111111111001… |
… | …1011011011100 |
3 | 11200011212102101 |
4 | 3333303123130 |
5 | 114131313442 |
6 | 10353134444 |
7 | 1442656354 |
oct | 377633334 |
9 | 150155371 |
10 | 67057372 |
11 | 34941218 |
12 | 1a55a424 |
13 | 10b7b325 |
14 | 8c97b64 |
15 | 5d48cb7 |
hex | 3ff36dc |
67057372 has 12 divisors (see below), whose sum is σ = 117477360. Its totient is φ = 33492416.
The previous prime is 67057363. The next prime is 67057379. The reversal of 67057372 is 27375076.
It is a super-2 number, since 2×670573722 = 8993382279092768, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67057379) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4672 + ... + 12487.
It is an arithmetic number, because the mean of its divisors is an integer number (9789780).
Almost surely, 267057372 is an apocalyptic number.
It is an amenable number.
67057372 is a deficient number, since it is larger than the sum of its proper divisors (50419988).
67057372 is a wasteful number, since it uses less digits than its factorization.
67057372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18140 (or 18138 counting only the distinct ones).
The product of its (nonzero) digits is 61740, while the sum is 37.
The square root of 67057372 is about 8188.8565746385. The cubic root of 67057372 is about 406.2707068893.
The spelling of 67057372 in words is "sixty-seven million, fifty-seven thousand, three hundred seventy-two".
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