Base | Representation |
---|---|
bin | 1001010000101… |
… | …0010001111000 |
3 | 2201002020122220 |
4 | 2110022101320 |
5 | 34420330131 |
6 | 3504244040 |
7 | 651062310 |
oct | 224122170 |
9 | 81066586 |
10 | 38839416 |
11 | 1aa186a0 |
12 | 11010620 |
13 | 807b505 |
14 | 5230440 |
15 | 3622e96 |
hex | 250a478 |
38839416 has 64 divisors (see below), whose sum is σ = 121063680. Its totient is φ = 10087680.
The previous prime is 38839397. The next prime is 38839417. The reversal of 38839416 is 61493883.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38839417) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8661 + ... + 12356.
It is an arithmetic number, because the mean of its divisors is an integer number (1891620).
Almost surely, 238839416 is an apocalyptic number.
It is an amenable number.
38839416 is an abundant number, since it is smaller than the sum of its proper divisors (82224264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38839416 is a wasteful number, since it uses less digits than its factorization.
38839416 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21044 (or 21040 counting only the distinct ones).
The product of its digits is 124416, while the sum is 42.
The square root of 38839416 is about 6232.1277265473. The cubic root of 38839416 is about 338.6550558843.
The spelling of 38839416 in words is "thirty-eight million, eight hundred thirty-nine thousand, four hundred sixteen".
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