Base | Representation |
---|---|
bin | 10110101010101… |
… | …11100011101010 |
3 | 111020210122222120 |
4 | 23111113203222 |
5 | 342134312030 |
6 | 30511332110 |
7 | 4466153526 |
oct | 1325274352 |
9 | 436718876 |
10 | 190150890 |
11 | 983761a6 |
12 | 53821036 |
13 | 30519327 |
14 | 1b37ad86 |
15 | 11a61010 |
hex | b5578ea |
190150890 has 32 divisors (see below), whose sum is σ = 476205696. Its totient is φ = 48502080.
The previous prime is 190150819. The next prime is 190150897. The reversal of 190150890 is 98051091.
It is not an unprimeable number, because it can be changed into a prime (190150897) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137101 + ... + 138480.
It is an arithmetic number, because the mean of its divisors is an integer number (14881428).
Almost surely, 2190150890 is an apocalyptic number.
190150890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
190150890 is an abundant number, since it is smaller than the sum of its proper divisors (286054806).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190150890 is a wasteful number, since it uses less digits than its factorization.
190150890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 275614.
The product of its (nonzero) digits is 3240, while the sum is 33.
The square root of 190150890 is about 13789.5210214133. The cubic root of 190150890 is about 575.0418520261.
The spelling of 190150890 in words is "one hundred ninety million, one hundred fifty thousand, eight hundred ninety".
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