Base | Representation |
---|---|
bin | 1111100110000… |
… | …11111011010110 |
3 | 100010011122110021 |
4 | 13303003323112 |
5 | 231442412232 |
6 | 20552015354 |
7 | 3146000512 |
oct | 763037326 |
9 | 303148407 |
10 | 130825942 |
11 | 67936515 |
12 | 3799155a |
13 | 21147700 |
14 | 13537142 |
15 | b743397 |
hex | 7cc3ed6 |
130825942 has 48 divisors (see below), whose sum is σ = 221752080. Its totient is φ = 57822336.
The previous prime is 130825939. The next prime is 130825943. The reversal of 130825942 is 249528031.
It is a junction number, because it is equal to n+sod(n) for n = 130825898 and 130825907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130825943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1200184 + ... + 1200292.
It is an arithmetic number, because the mean of its divisors is an integer number (4619835).
Almost surely, 2130825942 is an apocalyptic number.
130825942 is a deficient number, since it is larger than the sum of its proper divisors (90926138).
130825942 is a wasteful number, since it uses less digits than its factorization.
130825942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 257 (or 244 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 130825942 is about 11437.9168557915. The cubic root of 130825942 is about 507.6502723397.
It can be divided in two parts, 130825 and 942, that multiplied together give a triangular number (123237150 = T15699).
The spelling of 130825942 in words is "one hundred thirty million, eight hundred twenty-five thousand, nine hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •