Base | Representation |
---|---|
bin | 1110100111000… |
… | …1101011101111 |
3 | 11021022111112210 |
4 | 3221301223233 |
5 | 111142024210 |
6 | 10025301503 |
7 | 1342616541 |
oct | 351615357 |
9 | 137274483 |
10 | 61283055 |
11 | 31657959 |
12 | 18634893 |
13 | c908c82 |
14 | 81d3691 |
15 | 55a7e20 |
hex | 3a71aef |
61283055 has 8 divisors (see below), whose sum is σ = 98052912. Its totient is φ = 32684288.
The previous prime is 61283039. The next prime is 61283059. The reversal of 61283055 is 55038216.
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 61283055 - 24 = 61283039 is a prime.
It is a super-2 number, since 2×612830552 = 7511225660266050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61283059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2042754 + ... + 2042783.
It is an arithmetic number, because the mean of its divisors is an integer number (12256614).
Almost surely, 261283055 is an apocalyptic number.
61283055 is a deficient number, since it is larger than the sum of its proper divisors (36769857).
61283055 is a wasteful number, since it uses less digits than its factorization.
61283055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4085545.
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 61283055 is about 7828.3494428902. The cubic root of 61283055 is about 394.2576561147.
The spelling of 61283055 in words is "sixty-one million, two hundred eighty-three thousand, fifty-five".
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