Base | Representation |
---|---|
bin | 10110101010000… |
… | …00000010011011 |
3 | 111020121202211121 |
4 | 23111000002123 |
5 | 342123221210 |
6 | 30505310111 |
7 | 4465302625 |
oct | 1325000233 |
9 | 436552747 |
10 | 190054555 |
11 | 9830a889 |
12 | 53795337 |
13 | 304b4522 |
14 | 1b353c15 |
15 | 11a426da |
hex | b54009b |
190054555 has 16 divisors (see below), whose sum is σ = 233020800. Its totient is φ = 148756608.
The previous prime is 190054537. The next prime is 190054591. The reversal of 190054555 is 555450091.
It is a cyclic number.
It is not a de Polignac number, because 190054555 - 29 = 190054043 is a prime.
It is a super-2 number, since 2×1900545552 = 72241467752496050, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 190054555.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121921 + ... + 123469.
It is an arithmetic number, because the mean of its divisors is an integer number (14563800).
Almost surely, 2190054555 is an apocalyptic number.
190054555 is a deficient number, since it is larger than the sum of its proper divisors (42966245).
190054555 is a wasteful number, since it uses less digits than its factorization.
190054555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2070.
The product of its (nonzero) digits is 22500, while the sum is 34.
The square root of 190054555 is about 13786.0275278994. The cubic root of 190054555 is about 574.9447256256.
The spelling of 190054555 in words is "one hundred ninety million, fifty-four thousand, five hundred fifty-five".
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