Base | Representation |
---|---|
bin | 1111100001101… |
… | …01011011000101 |
3 | 100002001222202212 |
4 | 13300311123011 |
5 | 231320222440 |
6 | 20531313205 |
7 | 3141020000 |
oct | 760653305 |
9 | 302058685 |
10 | 130242245 |
11 | 67577a21 |
12 | 3774b805 |
13 | 20ca1b23 |
14 | 13424537 |
15 | b67a465 |
hex | 7c356c5 |
130242245 has 40 divisors (see below), whose sum is σ = 192260640. Its totient is φ = 84460320.
The previous prime is 130242239. The next prime is 130242251. The reversal of 130242245 is 542242031.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (130242239) and next prime (130242251).
It is not a de Polignac number, because 130242245 - 212 = 130238149 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 130242245.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 227810 + ... + 228380.
It is an arithmetic number, because the mean of its divisors is an integer number (4806516).
Almost surely, 2130242245 is an apocalyptic number.
It is an amenable number.
130242245 is a deficient number, since it is larger than the sum of its proper divisors (62018395).
130242245 is an frugal number, since it uses more digits than its factorization.
With its predecessor (130242244) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (602).
130242245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 623 (or 602 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 130242245 is about 11412.3724527374. The cubic root of 130242245 is about 506.8941641011.
Adding to 130242245 its reverse (542242031), we get a palindrome (672484276).
The spelling of 130242245 in words is "one hundred thirty million, two hundred forty-two thousand, two hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •