Base | Representation |
---|---|
bin | 1111100110010… |
… | …00000000010100 |
3 | 100010012111100212 |
4 | 13303020000110 |
5 | 231443431034 |
6 | 20552224552 |
7 | 3146100302 |
oct | 763100024 |
9 | 303174325 |
10 | 130842644 |
11 | 67948019 |
12 | 3799b158 |
13 | 211521aa |
14 | 1353d272 |
15 | b7482ce |
hex | 7cc8014 |
130842644 has 24 divisors (see below), whose sum is σ = 237552000. Its totient is φ = 63011520.
The previous prime is 130842643. The next prime is 130842667. The reversal of 130842644 is 446248031.
It is a self number, because there is not a number n which added to its sum of digits gives 130842644.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130842643) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7907 + ... + 18005.
It is an arithmetic number, because the mean of its divisors is an integer number (9898000).
Almost surely, 2130842644 is an apocalyptic number.
It is an amenable number.
130842644 is a deficient number, since it is larger than the sum of its proper divisors (106709356).
130842644 is a wasteful number, since it uses less digits than its factorization.
130842644 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10223 (or 10221 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 32.
The square root of 130842644 is about 11438.6469479567. The cubic root of 130842644 is about 507.6718746150.
The spelling of 130842644 in words is "one hundred thirty million, eight hundred forty-two thousand, six hundred forty-four".
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