Base | Representation |
---|---|
bin | 10000011101001… |
… | …11110001001101 |
3 | 100121202200212120 |
4 | 20032213301031 |
5 | 240320110022 |
6 | 21410523153 |
7 | 3264260664 |
oct | 1016476115 |
9 | 317680776 |
10 | 138050637 |
11 | 70a2053a |
12 | 3a2964b9 |
13 | 227a6c8a |
14 | 14497ddb |
15 | c1bdd5c |
hex | 83a7c4d |
138050637 has 16 divisors (see below), whose sum is σ = 197415360. Its totient is φ = 85542912.
The previous prime is 138050629. The next prime is 138050677. The reversal of 138050637 is 736050831.
It is a happy number.
138050637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 138050637 - 23 = 138050629 is a prime.
It is a super-2 number, since 2×1380506372 = 38115956752211538, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 138050598 and 138050607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138050677) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19828 + ... + 25869.
It is an arithmetic number, because the mean of its divisors is an integer number (12338460).
Almost surely, 2138050637 is an apocalyptic number.
It is an amenable number.
138050637 is a deficient number, since it is larger than the sum of its proper divisors (59364723).
138050637 is a wasteful number, since it uses less digits than its factorization.
138050637 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45772.
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 138050637 is about 11749.4951806450. The cubic root of 138050637 is about 516.8281238489.
The spelling of 138050637 in words is "one hundred thirty-eight million, fifty thousand, six hundred thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •