Base | Representation |
---|---|
bin | 1000000001000… |
… | …01010100110000 |
3 | 11200112102021220 |
4 | 10000201110300 |
5 | 114203322420 |
6 | 10401145040 |
7 | 1444401420 |
oct | 400412460 |
9 | 150472256 |
10 | 67245360 |
11 | 34a5a486 |
12 | 1a62b180 |
13 | 10c15a70 |
14 | 8d06480 |
15 | 5d84840 |
hex | 4021530 |
67245360 has 160 divisors (see below), whose sum is σ = 256650240. Its totient is φ = 14183424.
The previous prime is 67245349. The next prime is 67245361. The reversal of 67245360 is 6354276.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67245361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20301 + ... + 23379.
It is an arithmetic number, because the mean of its divisors is an integer number (1604064).
Almost surely, 267245360 is an apocalyptic number.
67245360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67245360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128325120).
67245360 is an abundant number, since it is smaller than the sum of its proper divisors (189404880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67245360 is a wasteful number, since it uses less digits than its factorization.
67245360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3115 (or 3109 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 33.
The square root of 67245360 is about 8200.3268227553. The cubic root of 67245360 is about 406.6499978237.
The spelling of 67245360 in words is "sixty-seven million, two hundred forty-five thousand, three hundred sixty".
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