Base | Representation |
---|---|
bin | 1110100100001001100000 |
3 | 21011222102101 |
4 | 32210021200 |
5 | 1434134310 |
6 | 213500144 |
7 | 44311300 |
oct | 16441140 |
9 | 7158371 |
10 | 3818080 |
11 | 2178642 |
12 | 1341654 |
13 | a38b26 |
14 | 715600 |
15 | 50643a |
hex | 3a4260 |
3818080 has 72 divisors (see below), whose sum is σ = 10514448. Its totient is φ = 1306368.
The previous prime is 3818077. The next prime is 3818093. The reversal of 3818080 is 808183.
It is a Harshad number since it is a multiple of its sum of digits (28).
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, 7597 + ... + 8083.
It is an arithmetic number, because the mean of its divisors is an integer number (146034).
Almost surely, 23818080 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 3818080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5257224).
3818080 is an abundant number, since it is smaller than the sum of its proper divisors (6696368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3818080 is a wasteful number, since it uses less digits than its factorization.
3818080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 516 (or 501 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 3818080 is about 1953.9907881052. The cubic root of 3818080 is about 156.2961719548.
The spelling of 3818080 in words is "three million, eight hundred eighteen thousand, eighty".
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