Base | Representation |
---|---|
bin | 1000000111001… |
… | …11000100100010 |
3 | 11202001120100210 |
4 | 10003213010202 |
5 | 114410232310 |
6 | 10430354550 |
7 | 1454314020 |
oct | 403470442 |
9 | 152046323 |
10 | 68055330 |
11 | 35462a82 |
12 | 1a95ba56 |
13 | 1113a635 |
14 | 9077710 |
15 | 5e94820 |
hex | 40e7122 |
68055330 has 32 divisors (see below), whose sum is σ = 186666624. Its totient is φ = 15555456.
The previous prime is 68055329. The next prime is 68055341. The reversal of 68055330 is 3355086.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161827 + ... + 162246.
It is an arithmetic number, because the mean of its divisors is an integer number (5833332).
Almost surely, 268055330 is an apocalyptic number.
68055330 is an abundant number, since it is smaller than the sum of its proper divisors (118611294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68055330 is a wasteful number, since it uses less digits than its factorization.
68055330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324090.
The product of its (nonzero) digits is 10800, while the sum is 30.
The square root of 68055330 is about 8249.5654431006. The cubic root of 68055330 is about 408.2761850699.
The spelling of 68055330 in words is "sixty-eight million, fifty-five thousand, three hundred thirty".
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