Base | Representation |
---|---|
bin | 1000000111000… |
… | …01000100100010 |
3 | 11202000022122120 |
4 | 10003201010202 |
5 | 114403441004 |
6 | 10430045110 |
7 | 1454152251 |
oct | 403410442 |
9 | 152008576 |
10 | 68030754 |
11 | 35446570 |
12 | 1a949796 |
13 | 1112c3ac |
14 | 906c798 |
15 | 5e8c3d9 |
hex | 40e1122 |
68030754 has 32 divisors (see below), whose sum is σ = 156245760. Its totient is φ = 19530000.
The previous prime is 68030731. The next prime is 68030759. The reversal of 68030754 is 45703086.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (68030759) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25872 + ... + 28379.
It is an arithmetic number, because the mean of its divisors is an integer number (4882680).
Almost surely, 268030754 is an apocalyptic number.
68030754 is an abundant number, since it is smaller than the sum of its proper divisors (88215006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68030754 is a wasteful number, since it uses less digits than its factorization.
68030754 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54286.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 68030754 is about 8248.0757755976. The cubic root of 68030754 is about 408.2270338691.
It can be divided in two parts, 680307 and 54, that added together give a triangular number (680361 = T1166).
The spelling of 68030754 in words is "sixty-eight million, thirty thousand, seven hundred fifty-four".
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