Base | Representation |
---|---|
bin | 1111101110001… |
… | …00011100101000 |
3 | 100012011000202022 |
4 | 13313010130220 |
5 | 232230023043 |
6 | 21030324012 |
7 | 3160635011 |
oct | 767043450 |
9 | 305130668 |
10 | 131876648 |
11 | 68493972 |
12 | 381b9608 |
13 | 21424a27 |
14 | 1372c008 |
15 | b89e868 |
hex | 7dc4728 |
131876648 has 8 divisors (see below), whose sum is σ = 247268730. Its totient is φ = 65938320.
The previous prime is 131876629. The next prime is 131876669. The reversal of 131876648 is 846678131.
It can be written as a sum of positive squares in only one way, i.e., 117115684 + 14760964 = 10822^2 + 3842^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 131876599 and 131876608.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8242283 + ... + 8242298.
Almost surely, 2131876648 is an apocalyptic number.
It is an amenable number.
131876648 is a deficient number, since it is larger than the sum of its proper divisors (115392082).
131876648 is a wasteful number, since it uses less digits than its factorization.
131876648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16484587 (or 16484583 counting only the distinct ones).
The product of its digits is 193536, while the sum is 44.
The square root of 131876648 is about 11483.7558316084. The cubic root of 131876648 is about 509.0056854171.
The spelling of 131876648 in words is "one hundred thirty-one million, eight hundred seventy-six thousand, six hundred forty-eight".
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