Base | Representation |
---|---|
bin | 1101000111011… |
… | …1111110011111 |
3 | 10211112011122120 |
4 | 3101313332133 |
5 | 103041024000 |
6 | 5243114023 |
7 | 1235432340 |
oct | 321677637 |
9 | 124464576 |
10 | 55017375 |
11 | 29068406 |
12 | 16512913 |
13 | b52407a |
14 | 74420c7 |
15 | 4c6b6a0 |
hex | 3477f9f |
55017375 has 32 divisors (see below), whose sum is σ = 104632320. Its totient is φ = 25149600.
The previous prime is 55017373. The next prime is 55017377. The reversal of 55017375 is 57371055.
It is an interprime number because it is at equal distance from previous prime (55017373) and next prime (55017377).
It is not a de Polignac number, because 55017375 - 21 = 55017373 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55017373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7855 + ... + 13104.
It is an arithmetic number, because the mean of its divisors is an integer number (3269760).
Almost surely, 255017375 is an apocalyptic number.
55017375 is a deficient number, since it is larger than the sum of its proper divisors (49614945).
55017375 is a wasteful number, since it uses less digits than its factorization.
55017375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20984 (or 20974 counting only the distinct ones).
The product of its (nonzero) digits is 18375, while the sum is 33.
The square root of 55017375 is about 7417.3698168556. The cubic root of 55017375 is about 380.3352881017.
The spelling of 55017375 in words is "fifty-five million, seventeen thousand, three hundred seventy-five".
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