Base | Representation |
---|---|
bin | 10110101010100… |
… | …00101100110000 |
3 | 111020202020110012 |
4 | 23111100230300 |
5 | 342132412200 |
6 | 30510554052 |
7 | 4466005610 |
oct | 1325205460 |
9 | 436666405 |
10 | 190122800 |
11 | 9835708a |
12 | 53808928 |
13 | 305095ca |
14 | 1b370a40 |
15 | 11a57a35 |
hex | b550b30 |
190122800 has 60 divisors (see below), whose sum is σ = 522030576. Its totient is φ = 65184000.
The previous prime is 190122767. The next prime is 190122833. The reversal of 190122800 is 8221091.
It is an interprime number because it is at equal distance from previous prime (190122767) and next prime (190122833).
It is a super-2 number, since 2×1901228002 = 72293358159680000, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31151 + ... + 36750.
Almost surely, 2190122800 is an apocalyptic number.
190122800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
190122800 is an abundant number, since it is smaller than the sum of its proper divisors (331907776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190122800 is a wasteful number, since it uses less digits than its factorization.
190122800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67926 (or 67915 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 23.
The square root of 190122800 is about 13788.5024567572. The cubic root of 190122800 is about 575.0135346531.
Adding to 190122800 its reverse (8221091), we get a palindrome (198343891).
It can be divided in two parts, 19012 and 2800, that added together give a palindrome (21812).
The spelling of 190122800 in words is "one hundred ninety million, one hundred twenty-two thousand, eight hundred".
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