Base | Representation |
---|---|
bin | 1111100000001… |
… | …01011000110100 |
3 | 100001200222212201 |
4 | 13300011120310 |
5 | 231242423432 |
6 | 20523154244 |
7 | 3136240243 |
oct | 760053064 |
9 | 301628781 |
10 | 130045492 |
11 | 67453115 |
12 | 37675984 |
13 | 20c333c5 |
14 | 133b295a |
15 | b63bee7 |
hex | 7c05634 |
130045492 has 12 divisors (see below), whose sum is σ = 227680740. Its totient is φ = 64993856.
The previous prime is 130045477. The next prime is 130045549. The reversal of 130045492 is 294540031.
It can be written as a sum of positive squares in 2 ways, for example, as 88623396 + 41422096 = 9414^2 + 6436^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 130045492.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5328 + ... + 16984.
It is an arithmetic number, because the mean of its divisors is an integer number (18973395).
Almost surely, 2130045492 is an apocalyptic number.
It is an amenable number.
130045492 is a deficient number, since it is larger than the sum of its proper divisors (97635248).
130045492 is a wasteful number, since it uses less digits than its factorization.
130045492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14450 (or 14448 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 130045492 is about 11403.7490326647. The cubic root of 130045492 is about 506.6387855926.
It can be divided in two parts, 13004 and 5492, that added together give a square (18496 = 1362).
The spelling of 130045492 in words is "one hundred thirty million, forty-five thousand, four hundred ninety-two".
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