Base | Representation |
---|---|
bin | 100001011100101… |
… | …001111101110110 |
3 | 1110002220212212201 |
4 | 201130221331312 |
5 | 2122124110204 |
6 | 131403335114 |
7 | 16622532100 |
oct | 4134517566 |
9 | 1402825781 |
10 | 561160054 |
11 | 26883a944 |
12 | 137b2149a |
13 | 8c34a090 |
14 | 54756570 |
15 | 343e99a4 |
hex | 21729f76 |
561160054 has 24 divisors (see below), whose sum is σ = 1054489968. Its totient is φ = 221996880.
The previous prime is 561160043. The next prime is 561160069. The reversal of 561160054 is 450061165.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 218962 + ... + 221509.
It is an arithmetic number, because the mean of its divisors is an integer number (43937082).
Almost surely, 2561160054 is an apocalyptic number.
561160054 is a deficient number, since it is larger than the sum of its proper divisors (493329914).
561160054 is a wasteful number, since it uses less digits than its factorization.
561160054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 440500 (or 440493 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 28.
The square root of 561160054 is about 23688.8170662868. The cubic root of 561160054 is about 824.8258237749.
The spelling of 561160054 in words is "five hundred sixty-one million, one hundred sixty thousand, fifty-four".
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