Base | Representation |
---|---|
bin | 100110010010… |
… | …0011000011010 |
3 | 1101202202120000 |
4 | 1030210120122 |
5 | 20114300322 |
6 | 1554113430 |
7 | 332415561 |
oct | 114443032 |
9 | 41682500 |
10 | 20071962 |
11 | 1036a3a9 |
12 | 687b876 |
13 | 420a101 |
14 | 2946bd8 |
15 | 1b673ac |
hex | 132461a |
20071962 has 40 divisors (see below), whose sum is σ = 46940256. Its totient is φ = 6398568.
The previous prime is 20071921. The next prime is 20071963. The reversal of 20071962 is 26917002.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (20071963) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1033 + ... + 6419.
Almost surely, 220071962 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20071962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23470128).
20071962 is an abundant number, since it is smaller than the sum of its proper divisors (26868294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20071962 is a wasteful number, since it uses less digits than its factorization.
20071962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5424 (or 5415 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 20071962 is about 4480.1743269654. The cubic root of 20071962 is about 271.7669301754.
Adding to 20071962 its reverse (26917002), we get a palindrome (46988964).
It can be divided in two parts, 2007 and 1962, that added together give a square (3969 = 632).
The spelling of 20071962 in words is "twenty million, seventy-one thousand, nine hundred sixty-two".
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