Base | Representation |
---|---|
bin | 1001010001010… |
… | …0001001101001 |
3 | 2201011022010102 |
4 | 2110110021221 |
5 | 34423123344 |
6 | 3505155145 |
7 | 651321221 |
oct | 224241151 |
9 | 81138112 |
10 | 38879849 |
11 | 1aa46008 |
12 | 1102bab5 |
13 | 8093a38 |
14 | 5241081 |
15 | 362ee4e |
hex | 2514269 |
38879849 has 12 divisors (see below), whose sum is σ = 40421580. Its totient is φ = 37392000.
The previous prime is 38879843. The next prime is 38879851. The reversal of 38879849 is 94897883.
It can be written as a sum of positive squares in 6 ways, for example, as 4624 + 38875225 = 68^2 + 6235^2 .
It is not a de Polignac number, because 38879849 - 216 = 38814313 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38879794 and 38879803.
It is not an unprimeable number, because it can be changed into a prime (38879843) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169667 + ... + 169895.
It is an arithmetic number, because the mean of its divisors is an integer number (3368465).
Almost surely, 238879849 is an apocalyptic number.
It is an amenable number.
38879849 is a deficient number, since it is larger than the sum of its proper divisors (1541731).
38879849 is a wasteful number, since it uses less digits than its factorization.
38879849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 412 (or 371 counting only the distinct ones).
The product of its digits is 3483648, while the sum is 56.
The square root of 38879849 is about 6235.3707989181. The cubic root of 38879849 is about 338.7725318273.
The spelling of 38879849 in words is "thirty-eight million, eight hundred seventy-nine thousand, eight hundred forty-nine".
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