Base | Representation |
---|---|
bin | 11001100011001… |
… | …111010011001000 |
3 | 1002212121121002110 |
4 | 121203033103020 |
5 | 1334214334404 |
6 | 110311502320 |
7 | 13423422144 |
oct | 3143172310 |
9 | 1085547073 |
10 | 428668104 |
11 | 1aaa76767 |
12 | bb6879a0 |
13 | 6aa6b287 |
14 | 40d08224 |
15 | 27977b89 |
hex | 198cf4c8 |
428668104 has 32 divisors (see below), whose sum is σ = 1072304640. Its totient is φ = 142804800.
The previous prime is 428668103. The next prime is 428668127. The reversal of 428668104 is 401866824.
It is not an unprimeable number, because it can be changed into a prime (428668103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46434 + ... + 54894.
It is an arithmetic number, because the mean of its divisors is an integer number (33509520).
Almost surely, 2428668104 is an apocalyptic number.
It is an amenable number.
428668104 is an abundant number, since it is smaller than the sum of its proper divisors (643636536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
428668104 is a wasteful number, since it uses less digits than its factorization.
428668104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10581 (or 10577 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 39.
The square root of 428668104 is about 20704.3015820385. The cubic root of 428668104 is about 754.0041276830.
It can be divided in two parts, 4286 and 68104, that added together give a triangular number (72390 = T380).
The spelling of 428668104 in words is "four hundred twenty-eight million, six hundred sixty-eight thousand, one hundred four".
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