Base | Representation |
---|---|
bin | 11000010100011… |
… | …110010001001001 |
3 | 1001102202120021101 |
4 | 120110132101021 |
5 | 1313423120131 |
6 | 104253141401 |
7 | 13053053542 |
oct | 3024362111 |
9 | 1042676241 |
10 | 408020041 |
11 | 19a353550 |
12 | b478a861 |
13 | 666bbba0 |
14 | 3c2914c9 |
15 | 25c49c61 |
hex | 1851e449 |
408020041 has 32 divisors (see below), whose sum is σ = 507386880. Its totient is φ = 322574400.
The previous prime is 408019993. The next prime is 408020051. The reversal of 408020041 is 140020804.
It is not a de Polignac number, because 408020041 - 215 = 407987273 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is not an unprimeable number, because it can be changed into a prime (408020051) 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, 714286 + ... + 714856.
It is an arithmetic number, because the mean of its divisors is an integer number (15855840).
Almost surely, 2408020041 is an apocalyptic number.
It is an amenable number.
408020041 is a deficient number, since it is larger than the sum of its proper divisors (99366839).
408020041 is a wasteful number, since it uses less digits than its factorization.
408020041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 877.
The product of its (nonzero) digits is 256, while the sum is 19.
The square root of 408020041 is about 20199.5059593050. The cubic root of 408020041 is about 741.6980975500.
Adding to 408020041 its reverse (140020804), we get a palindrome (548040845).
The spelling of 408020041 in words is "four hundred eight million, twenty thousand, forty-one".
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