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404288107 = 4389149709
BaseRepresentation
bin11000000110001…
…111001001101011
31001011201222000121
4120012033021223
51311444204412
6104041144111
713006251346
oct3006171153
91034658017
10404288107
11198234703
12b348b037
13659b3342
143b99d45d
152575e107
hex1818f26b

404288107 has 16 divisors (see below), whose sum is σ = 421740000. Its totient is φ = 387281664.

The previous prime is 404288069. The next prime is 404288161. The reversal of 404288107 is 701882404.

It is a cyclic number.

It is not a de Polignac number, because 404288107 - 27 = 404287979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404288177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569869 + ... + 570577.

It is an arithmetic number, because the mean of its divisors is an integer number (26358750).

Almost surely, 2404288107 is an apocalyptic number.

404288107 is a deficient number, since it is larger than the sum of its proper divisors (17451893).

404288107 is a wasteful number, since it uses less digits than its factorization.

404288107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 404288107 is about 20106.9168944421. The cubic root of 404288107 is about 739.4298670385.

The spelling of 404288107 in words is "four hundred four million, two hundred eighty-eight thousand, one hundred seven".

Divisors: 1 43 89 149 709 3827 6407 13261 30487 63101 105641 570223 2713343 4542563 9402049 404288107