Base | Representation |
---|---|
bin | 1001001001100… |
… | …1101000010000 |
3 | 2200012210201102 |
4 | 2102121220100 |
5 | 34311044000 |
6 | 3450323532 |
7 | 644131133 |
oct | 222315020 |
9 | 80183642 |
10 | 38378000 |
11 | 1a732a61 |
12 | 10a295a8 |
13 | 7c4949b |
14 | 515021a |
15 | 35813d5 |
hex | 2499a10 |
38378000 has 80 divisors (see below), whose sum is σ = 95946240. Its totient is φ = 14832000.
The previous prime is 38377987. The next prime is 38378029. The reversal of 38378000 is 87383.
It is a tau number, because it is divible by the number of its divisors (80).
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, 61691 + ... + 62309.
It is an arithmetic number, because the mean of its divisors is an integer number (1199328).
Almost surely, 238378000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38378000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47973120).
38378000 is an abundant number, since it is smaller than the sum of its proper divisors (57568240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38378000 is a wasteful number, since it uses less digits than its factorization.
38378000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 673 (or 657 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 38378000 is about 6194.9979822434. The cubic root of 38378000 is about 337.3086249285.
The spelling of 38378000 in words is "thirty-eight million, three hundred seventy-eight thousand".
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