Base | Representation |
---|---|
bin | 1110100100001… |
… | …0100011101101 |
3 | 11020221200202200 |
4 | 3221002203231 |
5 | 111114340104 |
6 | 10021212113 |
7 | 1341154020 |
oct | 351024355 |
9 | 136850680 |
10 | 61090029 |
11 | 31535930 |
12 | 18561039 |
13 | c86c160 |
14 | 81831b7 |
15 | 556ab39 |
hex | 3a428ed |
61090029 has 48 divisors (see below), whose sum is σ = 118495104. Its totient is φ = 29289600.
The previous prime is 61090019. The next prime is 61090039. The reversal of 61090029 is 92009016.
It is a happy number.
61090029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (61090019) and next prime (61090039).
It is not a de Polignac number, because 61090029 - 27 = 61089901 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 61089984 and 61090011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61090009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5619 + ... + 12399.
It is an arithmetic number, because the mean of its divisors is an integer number (2468648).
Almost surely, 261090029 is an apocalyptic number.
It is an amenable number.
61090029 is a deficient number, since it is larger than the sum of its proper divisors (57405075).
61090029 is a wasteful number, since it uses less digits than its factorization.
61090029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6818 (or 6815 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 27.
The square root of 61090029 is about 7816.0110670341. The cubic root of 61090029 is about 393.8432837184.
The spelling of 61090029 in words is "sixty-one million, ninety thousand, twenty-nine".
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