Base | Representation |
---|---|
bin | 1100010100111… |
… | …11110101100100 |
3 | 21012121000220101 |
4 | 12022133311210 |
5 | 202433241030 |
6 | 14132313444 |
7 | 2364004603 |
oct | 612376544 |
9 | 235530811 |
10 | 103415140 |
11 | 53414364 |
12 | 2a772884 |
13 | 1856b0ba |
14 | da3da3a |
15 | 912b7ca |
hex | 629fd64 |
103415140 has 24 divisors (see below), whose sum is σ = 217465920. Its totient is φ = 41310048.
The previous prime is 103415113. The next prime is 103415149. The reversal of 103415140 is 41514301.
It is not an unprimeable number, because it can be changed into a prime (103415149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13699 + ... + 19861.
It is an arithmetic number, because the mean of its divisors is an integer number (9061080).
Almost surely, 2103415140 is an apocalyptic number.
103415140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103415140 is an abundant number, since it is smaller than the sum of its proper divisors (114050780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103415140 is a wasteful number, since it uses less digits than its factorization.
103415140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7011 (or 7009 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 103415140 is about 10169.3234779901. The cubic root of 103415140 is about 469.3837403803.
Adding to 103415140 its reverse (41514301), we get a palindrome (144929441).
The spelling of 103415140 in words is "one hundred three million, four hundred fifteen thousand, one hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •