Base | Representation |
---|---|
bin | 1000001011100… |
… | …10001111010000 |
3 | 11210010112022000 |
4 | 10011302033100 |
5 | 120032002420 |
6 | 10450514000 |
7 | 1462206636 |
oct | 405621720 |
9 | 153115260 |
10 | 68625360 |
11 | 35812281 |
12 | 1ab95900 |
13 | 112a9c2b |
14 | 9185356 |
15 | 6058690 |
hex | 41723d0 |
68625360 has 80 divisors (see below), whose sum is σ = 236383680. Its totient is φ = 18299520.
The previous prime is 68625331. The next prime is 68625373. The reversal of 68625360 is 6352686.
68625360 is a `hidden beast` number, since 68 + 62 + 536 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13726 + ... + 18045.
It is an arithmetic number, because the mean of its divisors is an integer number (2954796).
Almost surely, 268625360 is an apocalyptic number.
68625360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68625360 is an abundant number, since it is smaller than the sum of its proper divisors (167758320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68625360 is a wasteful number, since it uses less digits than its factorization.
68625360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31793 (or 31781 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 68625360 is about 8284.0424914410. The cubic root of 68625360 is about 409.4129214138.
The spelling of 68625360 in words is "sixty-eight million, six hundred twenty-five thousand, three hundred sixty".
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