Base | Representation |
---|---|
bin | 1110100100101… |
… | …0101010010111 |
3 | 11021000101022002 |
4 | 3221022222113 |
5 | 111121420343 |
6 | 10022025515 |
7 | 1341352550 |
oct | 351125227 |
9 | 137011262 |
10 | 61123223 |
11 | 31558867 |
12 | 1857829b |
13 | c8812b5 |
14 | 8191327 |
15 | 55758b8 |
hex | 3a4aa97 |
61123223 has 8 divisors (see below), whose sum is σ = 71743392. Its totient is φ = 50975136.
The previous prime is 61123219. The next prime is 61123241. The reversal of 61123223 is 32232116.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 61123223 - 22 = 61123219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 61123195 and 61123204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61123523) 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, 117740 + ... + 118257.
It is an arithmetic number, because the mean of its divisors is an integer number (8967924).
Almost surely, 261123223 is an apocalyptic number.
61123223 is a deficient number, since it is larger than the sum of its proper divisors (10620169).
61123223 is a wasteful number, since it uses less digits than its factorization.
61123223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236041.
The product of its digits is 432, while the sum is 20.
The square root of 61123223 is about 7818.1342403415. The cubic root of 61123223 is about 393.9146039598.
Adding to 61123223 its reverse (32232116), we get a palindrome (93355339).
The spelling of 61123223 in words is "sixty-one million, one hundred twenty-three thousand, two hundred twenty-three".
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