Base | Representation |
---|---|
bin | 1001001111101… |
… | …0000110000000 |
3 | 2200221212201111 |
4 | 2103322012000 |
5 | 34411214440 |
6 | 3503013104 |
7 | 650365111 |
oct | 223720600 |
9 | 80855644 |
10 | 38773120 |
11 | 1a982901 |
12 | 10b9a194 |
13 | 8057299 |
14 | 5214208 |
15 | 360d4ea |
hex | 24fa180 |
38773120 has 64 divisors (see below), whose sum is σ = 94737600. Its totient is φ = 15167488.
The previous prime is 38773109. The next prime is 38773127. The reversal of 38773120 is 2137783.
It is a tau number, because it is divible by the number of its divisors (64).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38773127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29436 + ... + 30724.
It is an arithmetic number, because the mean of its divisors is an integer number (1480275).
Almost surely, 238773120 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 38773120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47368800).
38773120 is an abundant number, since it is smaller than the sum of its proper divisors (55964480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38773120 is a wasteful number, since it uses less digits than its factorization.
38773120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1355 (or 1343 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 31.
The square root of 38773120 is about 6226.8065651664. The cubic root of 38773120 is about 338.4622597993.
The spelling of 38773120 in words is "thirty-eight million, seven hundred seventy-three thousand, one hundred twenty".
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