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408009103 = 199210303
BaseRepresentation
bin11000010100011…
…011100110001111
31001102202000021021
4120110123212033
51313422242403
6104253015011
713053006625
oct3024334617
91042660237
10408009103
1119a346307
12b4784467
13666b6c08
143c28b515
1525c468bd
hex1851b98f

408009103 has 6 divisors (see below), whose sum is σ = 410109504. Its totient is φ = 405919404.

The previous prime is 408009037. The next prime is 408009113. The reversal of 408009103 is 301900804.

It is not a de Polignac number, because 408009103 - 29 = 408008591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408009113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34450 + ... + 44752.

It is an arithmetic number, because the mean of its divisors is an integer number (68351584).

Almost surely, 2408009103 is an apocalyptic number.

408009103 is a deficient number, since it is larger than the sum of its proper divisors (2100401).

408009103 is an equidigital number, since it uses as much as digits as its factorization.

408009103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10701 (or 10502 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 408009103 is about 20199.2352082944. The cubic root of 408009103 is about 741.6914697985.

Adding to 408009103 its reverse (301900804), we get a palindrome (709909907).

The spelling of 408009103 in words is "four hundred eight million, nine thousand, one hundred three".

Divisors: 1 199 10303 39601 2050297 408009103