Base | Representation |
---|---|
bin | 1001001001111… |
… | …0100001110100 |
3 | 2200020211020200 |
4 | 2102132201310 |
5 | 34312214233 |
6 | 3451000500 |
7 | 644243502 |
oct | 222364164 |
9 | 80224220 |
10 | 38398068 |
11 | 1a747045 |
12 | 10a39130 |
13 | 7c55667 |
14 | 5157672 |
15 | 3587313 |
hex | 249e874 |
38398068 has 36 divisors (see below), whose sum is σ = 97258980. Its totient is φ = 12773376.
The previous prime is 38398049. The next prime is 38398103. The reversal of 38398068 is 86089383.
It can be written as a sum of positive squares in 2 ways, for example, as 9108324 + 29289744 = 3018^2 + 5412^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×383980682 = 2948823252265248, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26548 + ... + 27956.
Almost surely, 238398068 is an apocalyptic number.
It is an amenable number.
38398068 is an abundant number, since it is smaller than the sum of its proper divisors (58860912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38398068 is a wasteful number, since it uses less digits than its factorization.
38398068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2176 (or 2171 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 38398068 is about 6196.6174643914. The cubic root of 38398068 is about 337.3674079983.
The spelling of 38398068 in words is "thirty-eight million, three hundred ninety-eight thousand, sixty-eight".
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