Base | Representation |
---|---|
bin | 1110100011100… |
… | …0111010100011 |
3 | 11020212200120210 |
4 | 3220320322203 |
5 | 111112104111 |
6 | 10020305203 |
7 | 1340630613 |
oct | 350707243 |
9 | 136780523 |
10 | 61050531 |
11 | 31509193 |
12 | 18542203 |
13 | c857199 |
14 | 8172a43 |
15 | 555e0a6 |
hex | 3a38ea3 |
61050531 has 8 divisors (see below), whose sum is σ = 81438480. Its totient is φ = 40681472.
The previous prime is 61050511. The next prime is 61050547. The reversal of 61050531 is 13505016.
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 61050531 - 25 = 61050499 is a prime.
It is a super-2 number, since 2×610505312 = 7454334670763922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 61050498 and 61050507.
It is not an unprimeable number, because it can be changed into a prime (61050511) 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, 6931 + ... + 13043.
It is an arithmetic number, because the mean of its divisors is an integer number (10179810).
Almost surely, 261050531 is an apocalyptic number.
61050531 is a deficient number, since it is larger than the sum of its proper divisors (20387949).
61050531 is a wasteful number, since it uses less digits than its factorization.
61050531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9445.
The product of its (nonzero) digits is 450, while the sum is 21.
The square root of 61050531 is about 7813.4839220414. The cubic root of 61050531 is about 393.7583851074.
Adding to 61050531 its reverse (13505016), we get a palindrome (74555547).
The spelling of 61050531 in words is "sixty-one million, fifty thousand, five hundred thirty-one".
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