Base | Representation |
---|---|
bin | 10001000101111… |
… | …100001100100000 |
3 | 201222121102102100 |
4 | 101011330030200 |
5 | 1041403114302 |
6 | 44242250400 |
7 | 10051335000 |
oct | 2105741440 |
9 | 658542370 |
10 | 286769952 |
11 | 137968567 |
12 | 80056a00 |
13 | 47547c81 |
14 | 2a12c000 |
15 | 1a298d1c |
hex | 1117c320 |
286769952 has 144 divisors (see below), whose sum is σ = 951350400. Its totient is φ = 81906048.
The previous prime is 286769947. The next prime is 286769963. The reversal of 286769952 is 259967682.
It is a tau number, because it is divible by the number of its divisors (144).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97333 + ... + 100235.
It is an arithmetic number, because the mean of its divisors is an integer number (6606600).
Almost surely, 2286769952 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 286769952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475675200).
286769952 is an abundant number, since it is smaller than the sum of its proper divisors (664580448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
286769952 is a wasteful number, since it uses less digits than its factorization.
286769952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2940 (or 2915 counting only the distinct ones).
The product of its digits is 3265920, while the sum is 54.
The square root of 286769952 is about 16934.2833329315. The cubic root of 286769952 is about 659.4439393550.
The spelling of 286769952 in words is "two hundred eighty-six million, seven hundred sixty-nine thousand, nine hundred fifty-two".
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