Base | Representation |
---|---|
bin | 1001010000010… |
… | …0110101010100 |
3 | 2201001010001200 |
4 | 2110010311110 |
5 | 34414121413 |
6 | 3503552500 |
7 | 650640261 |
oct | 224046524 |
9 | 81033050 |
10 | 38817108 |
11 | 1aa02960 |
12 | 10bbb730 |
13 | 8071305 |
14 | 5226268 |
15 | 361b573 |
hex | 2504d54 |
38817108 has 72 divisors (see below), whose sum is σ = 108422496. Its totient is φ = 11611200.
The previous prime is 38817047. The next prime is 38817113. The reversal of 38817108 is 80171883.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32278 + ... + 33458.
It is an arithmetic number, because the mean of its divisors is an integer number (1505868).
Almost surely, 238817108 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 38817108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54211248).
38817108 is an abundant number, since it is smaller than the sum of its proper divisors (69605388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38817108 is a wasteful number, since it uses less digits than its factorization.
38817108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1285 (or 1280 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 36.
The square root of 38817108 is about 6230.3377115530. The cubic root of 38817108 is about 338.5902062666.
The spelling of 38817108 in words is "thirty-eight million, eight hundred seventeen thousand, one hundred eight".
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