Base | Representation |
---|---|
bin | 10001001101111… |
… | …110011101011100 |
3 | 202010120102220012 |
4 | 101031332131130 |
5 | 1042423021010 |
6 | 44355342352 |
7 | 10105260122 |
oct | 2115763534 |
9 | 663512805 |
10 | 288876380 |
11 | 139077111 |
12 | 808b19b8 |
13 | 47b04990 |
14 | 2a519912 |
15 | 1a563005 |
hex | 1137e75c |
288876380 has 48 divisors (see below), whose sum is σ = 687701280. Its totient is φ = 101046528.
The previous prime is 288876373. The next prime is 288876397. The reversal of 288876380 is 83678882.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24299 + ... + 34178.
It is an arithmetic number, because the mean of its divisors is an integer number (14327110).
Almost surely, 2288876380 is an apocalyptic number.
288876380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
288876380 is an abundant number, since it is smaller than the sum of its proper divisors (398824900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
288876380 is a wasteful number, since it uses less digits than its factorization.
288876380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58518 (or 58516 counting only the distinct ones).
The product of its (nonzero) digits is 1032192, while the sum is 50.
The square root of 288876380 is about 16996.3637287509. The cubic root of 288876380 is about 661.0546193965.
The spelling of 288876380 in words is "two hundred eighty-eight million, eight hundred seventy-six thousand, three hundred eighty".
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