Base | Representation |
---|---|
bin | 10110101100110… |
… | …00010001101100 |
3 | 111021022010121201 |
4 | 23112120101230 |
5 | 342221302410 |
6 | 30521135244 |
7 | 4501336426 |
oct | 1326302154 |
9 | 437263551 |
10 | 190415980 |
11 | 98537387 |
12 | 5392a524 |
13 | 305acba1 |
14 | 1b409816 |
15 | 11ab483a |
hex | b59846c |
190415980 has 24 divisors (see below), whose sum is σ = 423396288. Its totient is φ = 71685888.
The previous prime is 190415977. The next prime is 190415993. The reversal of 190415980 is 89514091.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279684 + ... + 280363.
It is an arithmetic number, because the mean of its divisors is an integer number (17641512).
Almost surely, 2190415980 is an apocalyptic number.
190415980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
190415980 is an abundant number, since it is smaller than the sum of its proper divisors (232980308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190415980 is a wasteful number, since it uses less digits than its factorization.
190415980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 560073 (or 560071 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 37.
The square root of 190415980 is about 13799.1296827010. The cubic root of 190415980 is about 575.3089505417.
The spelling of 190415980 in words is "one hundred ninety million, four hundred fifteen thousand, nine hundred eighty".
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