Base | Representation |
---|---|
bin | 11111011110100000000 |
3 | 1221101211220 |
4 | 3323310000 |
5 | 231001144 |
6 | 34035040 |
7 | 11524032 |
oct | 3736400 |
9 | 1841756 |
10 | 1031424 |
11 | 644a19 |
12 | 418a80 |
13 | 2a1614 |
14 | 1cbc52 |
15 | 155919 |
hex | fbd00 |
1031424 has 72 divisors (see below), whose sum is σ = 2943360. Its totient is φ = 319488.
The previous prime is 1031423. The next prime is 1031431. The reversal of 1031424 is 4241301.
1031424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031423) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13017 + ... + 13095.
It is an arithmetic number, because the mean of its divisors is an integer number (40880).
21031424 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 1031424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1471680).
1031424 is an abundant number, since it is smaller than the sum of its proper divisors (1911936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031424 is an equidigital number, since it uses as much as digits as its factorization.
1031424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115 (or 101 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 1031424 is about 1015.5904686437. The cubic root of 1031424 is about 101.0366824244.
Adding to 1031424 its reverse (4241301), we get a palindrome (5272725).
The spelling of 1031424 in words is "one million, thirty-one thousand, four hundred twenty-four".
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