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412221405 = 3549955073
BaseRepresentation
bin11000100100011…
…111111111011101
31001201200000110110
4120210133333131
51321012041110
6104523200233
713133552451
oct3044377735
91051600413
10412221405
111a1763052
12b6076079
13675302bb
143ca66661
15262c9a20
hex1891ffdd

412221405 has 16 divisors (see below), whose sum is σ = 660888000. Its totient is φ = 219406848.

The previous prime is 412221379. The next prime is 412221419. The reversal of 412221405 is 504122214.

It is not a de Polignac number, because 412221405 - 28 = 412221149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20052 + ... + 35021.

It is an arithmetic number, because the mean of its divisors is an integer number (41305500).

Almost surely, 2412221405 is an apocalyptic number.

It is an amenable number.

412221405 is a deficient number, since it is larger than the sum of its proper divisors (248666595).

412221405 is a wasteful number, since it uses less digits than its factorization.

412221405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55580.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 412221405 is about 20303.2363183804. The cubic root of 412221405 is about 744.2351533678.

Adding to 412221405 its reverse (504122214), we get a palindrome (916343619).

The spelling of 412221405 in words is "four hundred twelve million, two hundred twenty-one thousand, four hundred five".

Divisors: 1 3 5 15 499 1497 2495 7485 55073 165219 275365 826095 27481427 82444281 137407135 412221405