Base | Representation |
---|---|
bin | 100110010110… |
… | …1101011010000 |
3 | 1101211200210000 |
4 | 1030231223100 |
5 | 20122010112 |
6 | 1555010000 |
7 | 332634555 |
oct | 114555320 |
9 | 41750700 |
10 | 20110032 |
11 | 10395a68 |
12 | 6899900 |
13 | 4221537 |
14 | 2956a2c |
15 | 1b737dc |
hex | 132dad0 |
20110032 has 100 divisors (see below), whose sum is σ = 59415840. Its totient is φ = 6564672.
The previous prime is 20109989. The next prime is 20110043. The reversal of 20110032 is 23001102.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 20109996 and 20110023.
It is a congruent number.
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, 76333 + ... + 76595.
Almost surely, 220110032 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 20110032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29707920).
20110032 is an abundant number, since it is smaller than the sum of its proper divisors (39305808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20110032 is a wasteful number, since it uses less digits than its factorization.
20110032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 342 (or 327 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 20110032 is about 4484.4210328648. The cubic root of 20110032 is about 271.9386395613.
Adding to 20110032 its reverse (23001102), we get a palindrome (43111134).
The spelling of 20110032 in words is "twenty million, one hundred ten thousand, thirty-two".
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