Base | Representation |
---|---|
bin | 1001001001100… |
… | …1110010110110 |
3 | 2200012211122112 |
4 | 2102121302312 |
5 | 34311104203 |
6 | 3450331022 |
7 | 644133122 |
oct | 222316266 |
9 | 80184575 |
10 | 38378678 |
11 | 1a733518 |
12 | 10a29a72 |
13 | 7c498a0 |
14 | 5150582 |
15 | 35816d8 |
hex | 2499cb6 |
38378678 has 16 divisors (see below), whose sum is σ = 63168336. Its totient is φ = 17378400.
The previous prime is 38378671. The next prime is 38378693. The reversal of 38378678 is 87687383.
38378678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38378671) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12548 + ... + 15303.
It is an arithmetic number, because the mean of its divisors is an integer number (3948021).
Almost surely, 238378678 is an apocalyptic number.
38378678 is a deficient number, since it is larger than the sum of its proper divisors (24789658).
38378678 is a wasteful number, since it uses less digits than its factorization.
38378678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27919.
The product of its digits is 1354752, while the sum is 50.
The square root of 38378678 is about 6195.0527035692. The cubic root of 38378678 is about 337.3106112566.
The spelling of 38378678 in words is "thirty-eight million, three hundred seventy-eight thousand, six hundred seventy-eight".
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