Base | Representation |
---|---|
bin | 100100101110… |
… | …0111100101110 |
3 | 1100020021000100 |
4 | 1021130330232 |
5 | 14412130321 |
6 | 1524411530 |
7 | 322444164 |
oct | 111347456 |
9 | 40207010 |
10 | 19255086 |
11 | a9616a4 |
12 | 6546ba6 |
13 | 3cb2356 |
14 | 27b3234 |
15 | 1a55326 |
hex | 125cf2e |
19255086 has 12 divisors (see below), whose sum is σ = 41719392. Its totient is φ = 6418356.
The previous prime is 19255069. The next prime is 19255127. The reversal of 19255086 is 68055291.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 19255086.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 534846 + ... + 534881.
It is an arithmetic number, because the mean of its divisors is an integer number (3476616).
Almost surely, 219255086 is an apocalyptic number.
19255086 is an abundant number, since it is smaller than the sum of its proper divisors (22464306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19255086 is a wasteful number, since it uses less digits than its factorization.
19255086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1069735 (or 1069732 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 36.
The square root of 19255086 is about 4388.0617589091. The cubic root of 19255086 is about 268.0290215100.
It can be divided in two parts, 192 and 55086, that added together give a triangular number (55278 = T332).
The spelling of 19255086 in words is "nineteen million, two hundred fifty-five thousand, eighty-six".
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