Base | Representation |
---|---|
bin | 1110100011011… |
… | …0110010100111 |
3 | 11020212020122120 |
4 | 3220312302213 |
5 | 111111314311 |
6 | 10020201023 |
7 | 1340563344 |
oct | 350666247 |
9 | 136766576 |
10 | 61041831 |
11 | 315026a4 |
12 | 18539173 |
13 | c853236 |
14 | 816d7cb |
15 | 555b706 |
hex | 3a36ca7 |
61041831 has 8 divisors (see below), whose sum is σ = 81485424. Its totient is φ = 40646400.
The previous prime is 61041791. The next prime is 61041833. The reversal of 61041831 is 13814016.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61041831 - 27 = 61041703 is a prime.
It is a super-2 number, since 2×610418312 = 7452210263665122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61041833) 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, 8970 + ... + 14231.
It is an arithmetic number, because the mean of its divisors is an integer number (10185678).
Almost surely, 261041831 is an apocalyptic number.
61041831 is a deficient number, since it is larger than the sum of its proper divisors (20443593).
61041831 is a wasteful number, since it uses less digits than its factorization.
61041831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24081.
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 61041831 is about 7812.9271723215. The cubic root of 61041831 is about 393.7396800520.
Adding to 61041831 its reverse (13814016), we get a palindrome (74855847).
The spelling of 61041831 in words is "sixty-one million, forty-one thousand, eight hundred thirty-one".
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