Base | Representation |
---|---|
bin | 100110010010… |
… | …0000101000110 |
3 | 1101202200212020 |
4 | 1030210011012 |
5 | 20114230401 |
6 | 1554104010 |
7 | 332412144 |
oct | 114440506 |
9 | 41680766 |
10 | 20070726 |
11 | 10369485 |
12 | 687b006 |
13 | 4209690 |
14 | 2946594 |
15 | 1b66d36 |
hex | 1324146 |
20070726 has 64 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 5636736.
The previous prime is 20070719. The next prime is 20070737. The reversal of 20070726 is 62707002.
It is a junction number, because it is equal to n+sod(n) for n = 20070696 and 20070705.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42745 + ... + 43211.
It is an arithmetic number, because the mean of its divisors is an integer number (737100).
Almost surely, 220070726 is an apocalyptic number.
20070726 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 20070726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23587200).
20070726 is an abundant number, since it is smaller than the sum of its proper divisors (27103674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20070726 is a wasteful number, since it uses less digits than its factorization.
20070726 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 533.
The product of its (nonzero) digits is 1176, while the sum is 24.
The square root of 20070726 is about 4480.0363837808. The cubic root of 20070726 is about 271.7613517335.
Adding to 20070726 its reverse (62707002), we get a palindrome (82777728).
The spelling of 20070726 in words is "twenty million, seventy thousand, seven hundred twenty-six".
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