Base | Representation |
---|---|
bin | 1001110001010… |
… | …1001000100000 |
3 | 2212010001101201 |
4 | 2130111020200 |
5 | 40442343044 |
6 | 4022210544 |
7 | 1005222130 |
oct | 234251040 |
9 | 85101351 |
10 | 40981024 |
11 | 21150717 |
12 | 11883a54 |
13 | 864b236 |
14 | 562aac0 |
15 | 38e77d4 |
hex | 2715220 |
40981024 has 48 divisors (see below), whose sum is σ = 97070400. Its totient is φ = 16637184.
The previous prime is 40981007. The next prime is 40981027. The reversal of 40981024 is 42018904.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 40980983 and 40981001.
It is not an unprimeable number, because it can be changed into a prime (40981027) 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, 559 + ... + 9070.
It is an arithmetic number, because the mean of its divisors is an integer number (2022300).
Almost surely, 240981024 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 40981024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48535200).
40981024 is an abundant number, since it is smaller than the sum of its proper divisors (56089376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40981024 is a wasteful number, since it uses less digits than its factorization.
40981024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9665 (or 9657 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 40981024 is about 6401.6422892880. The cubic root of 40981024 is about 344.7685179669.
Adding to 40981024 its reverse (42018904), we get a palindrome (82999928).
The spelling of 40981024 in words is "forty million, nine hundred eighty-one thousand, twenty-four".
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