Base | Representation |
---|---|
bin | 10111000011010… |
… | …000000101010000 |
3 | 222221200211110100 |
4 | 113003100011100 |
5 | 1243000301042 |
6 | 102212532400 |
7 | 12404064450 |
oct | 2703200520 |
9 | 887624410 |
10 | 386728272 |
11 | 189330747 |
12 | a9621100 |
13 | 621757c8 |
14 | 3950bd60 |
15 | 23e4124c |
hex | 170d0150 |
386728272 has 60 divisors (see below), whose sum is σ = 1236919840. Its totient is φ = 110493504.
The previous prime is 386728249. The next prime is 386728327. The reversal of 386728272 is 272827683.
It is a nude number because it is divisible by every one of its digits.
It is a nialpdrome in base 12.
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, 190822 + ... + 192837.
Almost surely, 2386728272 is an apocalyptic number.
It is an amenable number.
386728272 is an abundant number, since it is smaller than the sum of its proper divisors (850191568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386728272 is a wasteful number, since it uses less digits than its factorization.
386728272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 383680 (or 383671 counting only the distinct ones).
The product of its digits is 451584, while the sum is 45.
The square root of 386728272 is about 19665.4080049207. The cubic root of 386728272 is about 728.5655650212.
The spelling of 386728272 in words is "three hundred eighty-six million, seven hundred twenty-eight thousand, two hundred seventy-two".
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