Base | Representation |
---|---|
bin | 1110100011000… |
… | …1011101111011 |
3 | 11020211010202000 |
4 | 3220301131323 |
5 | 111110120102 |
6 | 10015512043 |
7 | 1340442645 |
oct | 350613573 |
9 | 136733660 |
10 | 61020027 |
11 | 31498282 |
12 | 18528623 |
13 | c846333 |
14 | 8165895 |
15 | 555501c |
hex | 3a3177b |
61020027 has 32 divisors (see below), whose sum is σ = 92736000. Its totient is φ = 39644640.
The previous prime is 61020019. The next prime is 61020061. The reversal of 61020027 is 72002016.
It is a happy number.
It is not a de Polignac number, because 61020027 - 23 = 61020019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 61019991 and 61020009.
It is not an unprimeable number, because it can be changed into a prime (61020017) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266349 + ... + 266577.
It is an arithmetic number, because the mean of its divisors is an integer number (2898000).
Almost surely, 261020027 is an apocalyptic number.
61020027 is a deficient number, since it is larger than the sum of its proper divisors (31715973).
61020027 is a wasteful number, since it uses less digits than its factorization.
61020027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 448 (or 442 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 61020027 is about 7811.5316679893. The cubic root of 61020027 is about 393.6927935031.
The spelling of 61020027 in words is "sixty-one million, twenty thousand, twenty-seven".
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