Base | Representation |
---|---|
bin | 11111111111001011111000 |
3 | 120210000102122 |
4 | 133333023320 |
5 | 4121312042 |
6 | 455420412 |
7 | 131162600 |
oct | 37771370 |
9 | 16700378 |
10 | 8385272 |
11 | 4807a85 |
12 | 2984708 |
13 | 19778cc |
14 | 1183c00 |
15 | b097d2 |
hex | 7ff2f8 |
8385272 has 24 divisors (see below), whose sum is σ = 18290160. Its totient is φ = 3593520.
The previous prime is 8385253. The next prime is 8385277. The reversal of 8385272 is 2725838.
It is a happy number.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8385277) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is an upside-down number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10304 + ... + 11087.
It is an arithmetic number, because the mean of its divisors is an integer number (762090).
Almost surely, 28385272 is an apocalyptic number.
It is an amenable number.
8385272 is an abundant number, since it is smaller than the sum of its proper divisors (9904888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8385272 is a wasteful number, since it uses less digits than its factorization.
8385272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21411 (or 21400 counting only the distinct ones).
The product of its digits is 26880, while the sum is 35.
The square root of 8385272 is about 2895.7334131442. The cubic root of 8385272 is about 203.1603964193.
The spelling of 8385272 in words is "eight million, three hundred eighty-five thousand, two hundred seventy-two".
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