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408020041 = 111319263571
BaseRepresentation
bin11000010100011…
…110010001001001
31001102202120021101
4120110132101021
51313423120131
6104253141401
713053053542
oct3024362111
91042676241
10408020041
1119a353550
12b478a861
13666bbba0
143c2914c9
1525c49c61
hex1851e449

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".

Divisors: 1 11 13 19 143 209 247 263 571 2717 2893 3419 4997 6281 7423 10849 37609 54967 64961 81653 119339 141037 150173 714571 1551407 1651903 1952249 2853287 21474739 31386157 37092731 408020041