Base | Representation |
---|---|
bin | 110110110110000… |
… | …000100011111100 |
3 | 2101010101022222012 |
4 | 312312000203330 |
5 | 3341023041430 |
6 | 231145310352 |
7 | 31541646110 |
oct | 6666004374 |
9 | 2333338865 |
10 | 920127740 |
11 | 43242a654 |
12 | 2181953b8 |
13 | 118822cac |
14 | 8a2b9740 |
15 | 55ba5695 |
hex | 36d808fc |
920127740 has 96 divisors (see below), whose sum is σ = 2335592448. Its totient is φ = 297792000.
The previous prime is 920127739. The next prime is 920127743. The reversal of 920127740 is 47721029.
920127740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 920127697 and 920127706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (920127743) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175355 + ... + 180525.
It is an arithmetic number, because the mean of its divisors is an integer number (24329088).
Almost surely, 2920127740 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 920127740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167796224).
920127740 is an abundant number, since it is smaller than the sum of its proper divisors (1415464708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
920127740 is a wasteful number, since it uses less digits than its factorization.
920127740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5259 (or 5257 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 32.
The square root of 920127740 is about 30333.6074346590. The cubic root of 920127740 is about 972.6338380837.
Adding to 920127740 its reverse (47721029), we get a palindrome (967848769).
The spelling of 920127740 in words is "nine hundred twenty million, one hundred twenty-seven thousand, seven hundred forty".
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