Base | Representation |
---|---|
bin | 1001000101010… |
… | …1110000101000 |
3 | 2122200200101102 |
4 | 2101111300220 |
5 | 34223200013 |
6 | 3440340532 |
7 | 641562512 |
oct | 221256050 |
9 | 78620342 |
10 | 38100008 |
11 | 1a563111 |
12 | 10914748 |
13 | 7b7caab |
14 | 50babb2 |
15 | 3528d58 |
hex | 2455c28 |
38100008 has 8 divisors (see below), whose sum is σ = 71437530. Its totient is φ = 19050000.
The previous prime is 38100001. The next prime is 38100031. The reversal of 38100008 is 80000183.
It can be written as a sum of positive squares in only one way, i.e., 32058244 + 6041764 = 5662^2 + 2458^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×381000082 = 2903221219200128, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (38100001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2381243 + ... + 2381258.
Almost surely, 238100008 is an apocalyptic number.
It is an amenable number.
38100008 is a deficient number, since it is larger than the sum of its proper divisors (33337522).
38100008 is a wasteful number, since it uses less digits than its factorization.
38100008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4762507 (or 4762503 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 20.
The square root of 38100008 is about 6172.5203928379. The cubic root of 38100008 is about 336.4922160393.
The spelling of 38100008 in words is "thirty-eight million, one hundred thousand, eight".
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