Base | Representation |
---|---|
bin | 1001010010101… |
… | …1011001001001 |
3 | 2201100010201100 |
4 | 2110223121021 |
5 | 34434200144 |
6 | 3511212013 |
7 | 652165611 |
oct | 224533111 |
9 | 81303640 |
10 | 38975049 |
11 | 20000593 |
12 | 11077009 |
13 | 80c8179 |
14 | 5267a41 |
15 | 364d269 |
hex | 252b649 |
38975049 has 9 divisors (see below), whose sum is σ = 56324359. Its totient is φ = 25970880.
The previous prime is 38975047. The next prime is 38975059. The reversal of 38975049 is 94057983.
The square root of 38975049 is 6243.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 14768649 + 24206400 = 3843^2 + 4920^2 .
It is a tau number, because it is divible by the number of its divisors (9).
It is not a de Polignac number, because 38975049 - 21 = 38975047 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38974995 and 38975013.
It is not an unprimeable number, because it can be changed into a prime (38975047) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17689 + ... + 19769.
Almost surely, 238975049 is an apocalyptic number.
38975049 is the 6243-rd square number.
38975049 is the 3122-nd centered octagonal number.
It is an amenable number.
38975049 is a deficient number, since it is larger than the sum of its proper divisors (17349310).
38975049 is an frugal number, since it uses more digits than its factorization.
38975049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4168 (or 2084 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The cubic root of 38975049 is about 339.0488091154.
The spelling of 38975049 in words is "thirty-eight million, nine hundred seventy-five thousand, forty-nine".
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