Base | Representation |
---|---|
bin | 100100101011… |
… | …0111000000010 |
3 | 1100011222220000 |
4 | 1021112320002 |
5 | 14410331320 |
6 | 1524100430 |
7 | 322311516 |
oct | 111267002 |
9 | 40158800 |
10 | 19230210 |
11 | a944a3a |
12 | 6534716 |
13 | 3ca3c2c |
14 | 27a8146 |
15 | 1a4cc90 |
hex | 1256e02 |
19230210 has 40 divisors (see below), whose sum is σ = 51710076. Its totient is φ = 5127840.
The previous prime is 19230181. The next prime is 19230287. The reversal of 19230210 is 1203291.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 17665209 + 1565001 = 4203^2 + 1251^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a zygodrome in base 3.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11061 + ... + 12680.
Almost surely, 219230210 is an apocalyptic number.
19230210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19230210 is an abundant number, since it is smaller than the sum of its proper divisors (32479866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19230210 is a wasteful number, since it uses less digits than its factorization.
19230210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23760 (or 23751 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 19230210 is about 4385.2263339536. The cubic root of 19230210 is about 267.9135478929.
The spelling of 19230210 in words is "nineteen million, two hundred thirty thousand, two hundred ten".
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