Base | Representation |
---|---|
bin | 100100010101… |
… | …1110101010010 |
3 | 1022212001001020 |
4 | 1020223311102 |
5 | 14334211111 |
6 | 1520220310 |
7 | 320645514 |
oct | 110536522 |
9 | 38761036 |
10 | 19053906 |
11 | a834533 |
12 | 646a696 |
13 | 3c41901 |
14 | 275dbb4 |
15 | 1a15906 |
hex | 122bd52 |
19053906 has 32 divisors (see below), whose sum is σ = 40538880. Its totient is φ = 5949696.
The previous prime is 19053901. The next prime is 19053961. The reversal of 19053906 is 60935091.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (19053901) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37180 + ... + 37688.
It is an arithmetic number, because the mean of its divisors is an integer number (1266840).
Almost surely, 219053906 is an apocalyptic number.
19053906 is an abundant number, since it is smaller than the sum of its proper divisors (21484974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19053906 is a wasteful number, since it uses less digits than its factorization.
19053906 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 898.
The product of its (nonzero) digits is 7290, while the sum is 33.
The square root of 19053906 is about 4365.0780061758. The cubic root of 19053906 is about 267.0922824833.
Adding to 19053906 its reverse (60935091), we get a palindrome (79988997).
The spelling of 19053906 in words is "nineteen million, fifty-three thousand, nine hundred six".
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