Base | Representation |
---|---|
bin | 1110110001000… |
… | …0100111100001 |
3 | 11022112120112200 |
4 | 3230100213201 |
5 | 111323342144 |
6 | 10051243413 |
7 | 1351300512 |
oct | 354204741 |
9 | 138476480 |
10 | 61934049 |
11 | 31a61a71 |
12 | 188a9569 |
13 | caa6388 |
14 | 8322a09 |
15 | 5685c69 |
hex | 3b109e1 |
61934049 has 18 divisors (see below), whose sum is σ = 90373218. Its totient is φ = 40872000.
The previous prime is 61934029. The next prime is 61934071. The reversal of 61934049 is 94043916.
61934049 is a `hidden beast` number, since 619 + 34 + 0 + 4 + 9 = 666.
It can be written as a sum of positive squares in only one way, i.e., 61779600 + 154449 = 7860^2 + 393^2 .
It is not a de Polignac number, because 61934049 - 25 = 61934017 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61934029) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 154249 + ... + 154649.
Almost surely, 261934049 is an apocalyptic number.
It is an amenable number.
61934049 is a deficient number, since it is larger than the sum of its proper divisors (28439169).
61934049 is a wasteful number, since it uses less digits than its factorization.
61934049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 669 (or 535 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The square root of 61934049 is about 7869.8188670388. The cubic root of 61934049 is about 395.6487741304.
The spelling of 61934049 in words is "sixty-one million, nine hundred thirty-four thousand, forty-nine".
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