Base | Representation |
---|---|
bin | 1001010010010… |
… | …0111000100001 |
3 | 2201021210010210 |
4 | 2110210320201 |
5 | 34432322020 |
6 | 3510444333 |
7 | 652025100 |
oct | 224447041 |
9 | 81253123 |
10 | 38948385 |
11 | 1aa92553 |
12 | 110636a9 |
13 | 80b8ca8 |
14 | 525c037 |
15 | 36453e0 |
hex | 2524e21 |
38948385 has 48 divisors (see below), whose sum is σ = 76334400. Its totient is φ = 16861824.
The previous prime is 38948381. The next prime is 38948387. The reversal of 38948385 is 58384983.
It is not a de Polignac number, because 38948385 - 22 = 38948381 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38948381) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12571 + ... + 15359.
It is an arithmetic number, because the mean of its divisors is an integer number (1590300).
Almost surely, 238948385 is an apocalyptic number.
38948385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38948385 is a deficient number, since it is larger than the sum of its proper divisors (37386015).
38948385 is a wasteful number, since it uses less digits than its factorization.
38948385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2830 (or 2823 counting only the distinct ones).
The product of its digits is 829440, while the sum is 48.
The square root of 38948385 is about 6240.8641228599. The cubic root of 38948385 is about 338.9714736571.
The spelling of 38948385 in words is "thirty-eight million, nine hundred forty-eight thousand, three hundred eighty-five".
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