Base | Representation |
---|---|
bin | 10110101101001… |
… | …00011100010100 |
3 | 111021101122222100 |
4 | 23112210130110 |
5 | 342224401222 |
6 | 30522202100 |
7 | 4501634625 |
oct | 1326443424 |
9 | 437348870 |
10 | 190465812 |
11 | 98570869 |
12 | 53953330 |
13 | 305c9784 |
14 | 1b41da4c |
15 | 11ac44ac |
hex | b5a4714 |
190465812 has 18 divisors (see below), whose sum is σ = 481455338. Its totient is φ = 63488592.
The previous prime is 190465811. The next prime is 190465817. The reversal of 190465812 is 218564091.
190465812 is a `hidden beast` number, since 190 + 465 + 8 + 1 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 150700176 + 39765636 = 12276^2 + 6306^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5290717 = 190465812 / (1 + 9 + 0 + 4 + 6 + 5 + 8 + 1 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190465811) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 2645323 + ... + 2645394.
Almost surely, 2190465812 is an apocalyptic number.
190465812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
190465812 is an abundant number, since it is smaller than the sum of its proper divisors (290989526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190465812 is a wasteful number, since it uses less digits than its factorization.
190465812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5290727 (or 5290722 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 190465812 is about 13800.9351857039. The cubic root of 190465812 is about 575.3591324208.
The spelling of 190465812 in words is "one hundred ninety million, four hundred sixty-five thousand, eight hundred twelve".
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