Base | Representation |
---|---|
bin | 10110101010000… |
… | …00001001110100 |
3 | 111020121210111010 |
4 | 23111000021310 |
5 | 342123230103 |
6 | 30505312220 |
7 | 4465304202 |
oct | 1325001164 |
9 | 436553433 |
10 | 190055028 |
11 | 98310179 |
12 | 53795670 |
13 | 304b47c7 |
14 | 1b354072 |
15 | 11a42903 |
hex | b540274 |
190055028 has 24 divisors (see below), whose sum is σ = 452898432. Its totient is φ = 62003584.
The previous prime is 190054993. The next prime is 190055057. The reversal of 190055028 is 820550091.
It is a super-2 number, since 2×1900550282 = 72241827336161568, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 190054986 and 190055004.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 167925 + ... + 169052.
It is an arithmetic number, because the mean of its divisors is an integer number (18870768).
Almost surely, 2190055028 is an apocalyptic number.
It is an amenable number.
190055028 is an abundant number, since it is smaller than the sum of its proper divisors (262843404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190055028 is a wasteful number, since it uses less digits than its factorization.
190055028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 337031 (or 337029 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 30.
The square root of 190055028 is about 13786.0446829393. The cubic root of 190055028 is about 574.9452025915.
The spelling of 190055028 in words is "one hundred ninety million, fifty-five thousand, twenty-eight".
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