Base | Representation |
---|---|
bin | 101101111101… |
… | …011001101000 |
3 | 211200002201100 |
4 | 231331121220 |
5 | 11041013401 |
6 | 1110121400 |
7 | 204256203 |
oct | 55753150 |
9 | 24602640 |
10 | 12047976 |
11 | 6889906 |
12 | 4050260 |
13 | 265aaa5 |
14 | 185893a |
15 | 10ceb86 |
hex | b7d668 |
12047976 has 48 divisors (see below), whose sum is σ = 34351200. Its totient is φ = 3804192.
The previous prime is 12047941. The next prime is 12047983. The reversal of 12047976 is 67974021.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 12047976.
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, 3036 + ... + 5771.
It is an arithmetic number, because the mean of its divisors is an integer number (715650).
Almost surely, 212047976 is an apocalyptic number.
It is an amenable number.
12047976 is an abundant number, since it is smaller than the sum of its proper divisors (22303224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12047976 is a wasteful number, since it uses less digits than its factorization.
12047976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8838 (or 8831 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 36.
The square root of 12047976 is about 3471.0194467908. The cubic root of 12047976 is about 229.2475473116.
It can be divided in two parts, 1204 and 7976, that added together give a triangular number (9180 = T135).
The spelling of 12047976 in words is "twelve million, forty-seven thousand, nine hundred seventy-six".
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