Base | Representation |
---|---|
bin | 1111100010110… |
… | …00101000101000 |
3 | 100002100022121121 |
4 | 13301120220220 |
5 | 231334331342 |
6 | 20534345024 |
7 | 3142160326 |
oct | 761305050 |
9 | 302308547 |
10 | 130386472 |
11 | 67666317 |
12 | 377bb174 |
13 | 21022678 |
14 | 13460d16 |
15 | b6a8067 |
hex | 7c58a28 |
130386472 has 8 divisors (see below), whose sum is σ = 244474650. Its totient is φ = 65193232.
The previous prime is 130386461. The next prime is 130386497. The reversal of 130386472 is 274683031.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 78747876 + 51638596 = 8874^2 + 7186^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8149147 + ... + 8149162.
Almost surely, 2130386472 is an apocalyptic number.
It is an amenable number.
130386472 is a deficient number, since it is larger than the sum of its proper divisors (114088178).
130386472 is a wasteful number, since it uses less digits than its factorization.
130386472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16298315 (or 16298311 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 34.
The square root of 130386472 is about 11418.6895920679. The cubic root of 130386472 is about 507.0812023781.
The spelling of 130386472 in words is "one hundred thirty million, three hundred eighty-six thousand, four hundred seventy-two".
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