Base | Representation |
---|---|
bin | 1111100100011… |
… | …10110100111000 |
3 | 100002202121002122 |
4 | 13302032310320 |
5 | 231413432230 |
6 | 20543220412 |
7 | 3144103424 |
oct | 762166470 |
9 | 302677078 |
10 | 130608440 |
11 | 677a8066 |
12 | 378a7708 |
13 | 2109c701 |
14 | 134bbb84 |
15 | b6edbe5 |
hex | 7c8ed38 |
130608440 has 32 divisors (see below), whose sum is σ = 294220080. Its totient is φ = 52180992.
The previous prime is 130608427. The next prime is 130608449. The reversal of 130608440 is 44806031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130608449) 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, 47339 + ... + 50021.
Almost surely, 2130608440 is an apocalyptic number.
130608440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130608440 is an abundant number, since it is smaller than the sum of its proper divisors (163611640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130608440 is a wasteful number, since it uses less digits than its factorization.
130608440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3911 (or 3907 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 130608440 is about 11428.4049630734. The cubic root of 130608440 is about 507.3687884235.
The spelling of 130608440 in words is "one hundred thirty million, six hundred eight thousand, four hundred forty".
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