Base | Representation |
---|---|
bin | 1110100110011… |
… | …0110110001111 |
3 | 11021020020122221 |
4 | 3221212312033 |
5 | 111134114141 |
6 | 10024320211 |
7 | 1342343254 |
oct | 351466617 |
9 | 137206587 |
10 | 61238671 |
11 | 3162757a |
12 | 18613067 |
13 | c8c1a00 |
14 | 81c142b |
15 | 5599bd1 |
hex | 3a66d8f |
61238671 has 12 divisors (see below), whose sum is σ = 68456640. Its totient is φ = 54699840.
The previous prime is 61238669. The next prime is 61238687. The reversal of 61238671 is 17683216.
It is not a de Polignac number, because 61238671 - 21 = 61238669 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61238621) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606 + ... + 11083.
It is an arithmetic number, because the mean of its divisors is an integer number (5704720).
Almost surely, 261238671 is an apocalyptic number.
61238671 is a deficient number, since it is larger than the sum of its proper divisors (7217969).
61238671 is a wasteful number, since it uses less digits than its factorization.
61238671 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11746 (or 11733 counting only the distinct ones).
The product of its digits is 12096, while the sum is 34.
The square root of 61238671 is about 7825.5141045174. The cubic root of 61238671 is about 394.1624533001.
The spelling of 61238671 in words is "sixty-one million, two hundred thirty-eight thousand, six hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •