Base | Representation |
---|---|
bin | 1100010010110… |
… | …10010100110100 |
3 | 21012001120100012 |
4 | 12021122110310 |
5 | 202400133140 |
6 | 14122235352 |
7 | 2361410531 |
oct | 611322464 |
9 | 235046305 |
10 | 103130420 |
11 | 5323a458 |
12 | 2a655b58 |
13 | 1849b623 |
14 | d9a7d88 |
15 | 90c2265 |
hex | 625a534 |
103130420 has 24 divisors (see below), whose sum is σ = 219809184. Its totient is φ = 40635936.
The previous prime is 103130389. The next prime is 103130437. The reversal of 103130420 is 24031301.
It is a junction number, because it is equal to n+sod(n) for n = 103130395 and 103130404.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37142 + ... + 39821.
It is an arithmetic number, because the mean of its divisors is an integer number (9158716).
Almost surely, 2103130420 is an apocalyptic number.
103130420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103130420 is an abundant number, since it is smaller than the sum of its proper divisors (116678764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103130420 is a wasteful number, since it uses less digits than its factorization.
103130420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77039 (or 77037 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 103130420 is about 10155.3148646411. The cubic root of 103130420 is about 468.9525792241.
Adding to 103130420 its reverse (24031301), we get a palindrome (127161721).
The spelling of 103130420 in words is "one hundred three million, one hundred thirty thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •