Base | Representation |
---|---|
bin | 1111100100100… |
… | …01000001100010 |
3 | 100002210001110001 |
4 | 13302101001202 |
5 | 231414224232 |
6 | 20543330214 |
7 | 3144141604 |
oct | 762210142 |
9 | 302701401 |
10 | 130617442 |
11 | 678038aa |
12 | 378b096a |
13 | 210a3837 |
14 | 134c1174 |
15 | b7016e7 |
hex | 7c91062 |
130617442 has 16 divisors (see below), whose sum is σ = 199130112. Its totient is φ = 64249200.
The previous prime is 130617439. The next prime is 130617449. The reversal of 130617442 is 244716031.
It is a self number, because there is not a number n which added to its sum of digits gives 130617442.
It is not an unprimeable number, because it can be changed into a prime (130617449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30943 + ... + 34909.
It is an arithmetic number, because the mean of its divisors is an integer number (12445632).
Almost surely, 2130617442 is an apocalyptic number.
130617442 is a deficient number, since it is larger than the sum of its proper divisors (68512670).
130617442 is a wasteful number, since it uses less digits than its factorization.
130617442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4233.
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 130617442 is about 11428.7987995239. The cubic root of 130617442 is about 507.3804447118.
It can be divided in two parts, 13061 and 7442, that added together give a triangular number (20503 = T202).
The spelling of 130617442 in words is "one hundred thirty million, six hundred seventeen thousand, four hundred forty-two".
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