Base | Representation |
---|---|
bin | 100101110100… |
… | …1110010010000 |
3 | 1101022120022202 |
4 | 1023221302100 |
5 | 20034110302 |
6 | 1545022332 |
7 | 330366050 |
oct | 113516220 |
9 | 41276282 |
10 | 19831952 |
11 | 10216048 |
12 | 67849a8 |
13 | 4154aaa |
14 | 28c3560 |
15 | 1b1b202 |
hex | 12e9c90 |
19831952 has 40 divisors (see below), whose sum is σ = 44330496. Its totient is φ = 8418816.
The previous prime is 19831951. The next prime is 19831961. The reversal of 19831952 is 25913891.
It is not an unprimeable number, because it can be changed into a prime (19831951) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11873 + ... + 13439.
Almost surely, 219831952 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19831952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22165248).
19831952 is an abundant number, since it is smaller than the sum of its proper divisors (24498544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19831952 is a wasteful number, since it uses less digits than its factorization.
19831952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1695 (or 1689 counting only the distinct ones).
The product of its digits is 19440, while the sum is 38.
The square root of 19831952 is about 4453.3079839598. The cubic root of 19831952 is about 270.6793682581.
The spelling of 19831952 in words is "nineteen million, eight hundred thirty-one thousand, nine hundred fifty-two".
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