Base | Representation |
---|---|
bin | 10111000001010… |
… | …011100010101000 |
3 | 222220201220201000 |
4 | 113001103202220 |
5 | 1242332440102 |
6 | 102153555000 |
7 | 12366541305 |
oct | 2701234250 |
9 | 886656630 |
10 | 386218152 |
11 | 189012461 |
12 | a9415a60 |
13 | 62027568 |
14 | 394180ac |
15 | 23d9001c |
hex | 170538a8 |
386218152 has 64 divisors (see below), whose sum is σ = 1075536000. Its totient is φ = 128414592.
The previous prime is 386218141. The next prime is 386218159. The reversal of 386218152 is 251812683.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (386218159) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92788 + ... + 96860.
It is an arithmetic number, because the mean of its divisors is an integer number (16805250).
Almost surely, 2386218152 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 386218152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537768000).
386218152 is an abundant number, since it is smaller than the sum of its proper divisors (689317848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386218152 is a wasteful number, since it uses less digits than its factorization.
386218152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4527 (or 4517 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 386218152 is about 19652.4337424147. The cubic root of 386218152 is about 728.2450821174.
The spelling of 386218152 in words is "three hundred eighty-six million, two hundred eighteen thousand, one hundred fifty-two".
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