Base | Representation |
---|---|
bin | 1001010010110… |
… | …1100010110100 |
3 | 2201100120210200 |
4 | 2110231202310 |
5 | 34434440420 |
6 | 3511320500 |
7 | 652233366 |
oct | 224554264 |
9 | 81316720 |
10 | 38983860 |
11 | 20007173 |
12 | 11080130 |
13 | 80cc196 |
14 | 526ad36 |
15 | 3650b90 |
hex | 252d8b4 |
38983860 has 36 divisors (see below), whose sum is σ = 118251588. Its totient is φ = 10395648.
The previous prime is 38983849. The next prime is 38983871. The reversal of 38983860 is 6838983.
It is an interprime number because it is at equal distance from previous prime (38983849) and next prime (38983871).
It can be written as a sum of positive squares in 2 ways, for example, as 11985444 + 26998416 = 3462^2 + 5196^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108109 + ... + 108468.
Almost surely, 238983860 is an apocalyptic number.
38983860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38983860 is an abundant number, since it is smaller than the sum of its proper divisors (79267728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38983860 is a wasteful number, since it uses less digits than its factorization.
38983860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216592 (or 216587 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 38983860 is about 6243.7056304730. The cubic root of 38983860 is about 339.0743565194.
The spelling of 38983860 in words is "thirty-eight million, nine hundred eighty-three thousand, eight hundred sixty".
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