Base | Representation |
---|---|
bin | 1001010000110… |
… | …0110110101100 |
3 | 2201002210010120 |
4 | 2110030312230 |
5 | 34421144324 |
6 | 3504404540 |
7 | 651135126 |
oct | 224146654 |
9 | 81083116 |
10 | 38849964 |
11 | 1aa2560a |
12 | 11016750 |
13 | 808325a |
14 | 5234216 |
15 | 3626179 |
hex | 250cdac |
38849964 has 48 divisors (see below), whose sum is σ = 96673248. Its totient is φ = 12100608.
The previous prime is 38849959. The next prime is 38849971. The reversal of 38849964 is 46994883.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31422 + ... + 32634.
It is an arithmetic number, because the mean of its divisors is an integer number (2014026).
Almost surely, 238849964 is an apocalyptic number.
38849964 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38849964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48336624).
38849964 is an abundant number, since it is smaller than the sum of its proper divisors (57823284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38849964 is a wasteful number, since it uses less digits than its factorization.
38849964 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1394 (or 1392 counting only the distinct ones).
The product of its digits is 1492992, while the sum is 51.
The square root of 38849964 is about 6232.9739290326. The cubic root of 38849964 is about 338.6857103978.
The spelling of 38849964 in words is "thirty-eight million, eight hundred forty-nine thousand, nine hundred sixty-four".
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