Base | Representation |
---|---|
bin | 1000000111001… |
… | …11000111001100 |
3 | 11202001120121002 |
4 | 10003213013030 |
5 | 114410234000 |
6 | 10430355432 |
7 | 1454314352 |
oct | 403470714 |
9 | 152046532 |
10 | 68055500 |
11 | 35463117 |
12 | 1a95bb78 |
13 | 1113a736 |
14 | 90777d2 |
15 | 5e948d5 |
hex | 40e71cc |
68055500 has 24 divisors (see below), whose sum is σ = 148634304. Its totient is φ = 27222000.
The previous prime is 68055479. The next prime is 68055521. The reversal of 68055500 is 555086.
It is an interprime number because it is at equal distance from previous prime (68055479) and next prime (68055521).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67556 + ... + 68555.
It is an arithmetic number, because the mean of its divisors is an integer number (6193096).
Almost surely, 268055500 is an apocalyptic number.
It is an amenable number.
68055500 is an abundant number, since it is smaller than the sum of its proper divisors (80578804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68055500 is a wasteful number, since it uses less digits than its factorization.
68055500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136130 (or 136118 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 29.
The square root of 68055500 is about 8249.5757466672. The cubic root of 68055500 is about 408.2765250232.
The spelling of 68055500 in words is "sixty-eight million, fifty-five thousand, five hundred".
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