Base | Representation |
---|---|
bin | 10110101101110… |
… | …00101101110111 |
3 | 111021112212220000 |
4 | 23112320231313 |
5 | 342240030410 |
6 | 30524042343 |
7 | 4502432010 |
oct | 1326705567 |
9 | 437485800 |
10 | 190548855 |
11 | 986181a2 |
12 | 539933b3 |
13 | 30628503 |
14 | 1b442007 |
15 | 11adddc0 |
hex | b5b8b77 |
190548855 has 40 divisors (see below), whose sum is σ = 390378912. Its totient is φ = 87106752.
The previous prime is 190548851. The next prime is 190548893. The reversal of 190548855 is 558845091.
It is a happy number.
It is not a de Polignac number, because 190548855 - 22 = 190548851 is a prime.
It is a super-2 number, since 2×1905488552 = 72617732283622050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 190548855.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190548851) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30772 + ... + 36441.
Almost surely, 2190548855 is an apocalyptic number.
190548855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
190548855 is an abundant number, since it is smaller than the sum of its proper divisors (199830057).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190548855 is an equidigital number, since it uses as much as digits as its factorization.
190548855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67237 (or 67228 counting only the distinct ones).
The product of its (nonzero) digits is 288000, while the sum is 45.
The square root of 190548855 is about 13803.9434583021. The cubic root of 190548855 is about 575.4427390371.
The spelling of 190548855 in words is "one hundred ninety million, five hundred forty-eight thousand, eight hundred fifty-five".
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