Base | Representation |
---|---|
bin | 1110100110100… |
… | …1110001011010 |
3 | 11021020212002121 |
4 | 3221221301122 |
5 | 111140010100 |
6 | 10024451454 |
7 | 1342423216 |
oct | 351516132 |
9 | 137225077 |
10 | 61250650 |
11 | 3163557a |
12 | 18619b8a |
13 | c8c72b6 |
14 | 81c5946 |
15 | 559d51a |
hex | 3a69c5a |
61250650 has 48 divisors (see below), whose sum is σ = 117351864. Its totient is φ = 23777280.
The previous prime is 61250641. The next prime is 61250653. The reversal of 61250650 is 5605216.
It can be written as a sum of positive squares in 12 ways, for example, as 14040009 + 47210641 = 3747^2 + 6871^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (61250653) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353964 + ... + 354136.
Almost surely, 261250650 is an apocalyptic number.
61250650 is a deficient number, since it is larger than the sum of its proper divisors (56101214).
61250650 is a wasteful number, since it uses less digits than its factorization.
61250650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 355 (or 350 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 25.
The square root of 61250650 is about 7826.2794481158. The cubic root of 61250650 is about 394.1881525525.
Adding to 61250650 its reverse (5605216), we get a palindrome (66855866).
The spelling of 61250650 in words is "sixty-one million, two hundred fifty thousand, six hundred fifty".
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