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406920284 = 22101730071
BaseRepresentation
bin11000010000010…
…001110001011100
31001100200200200122
4120100101301130
51313132422114
6104213414112
713040523341
oct3020216134
91040620618
10406920284
11199772261
12b433a338
13663c5444
143c0867c8
1525acde8e
hex18411c5c

406920284 has 6 divisors (see below), whose sum is σ = 712110504. Its totient is φ = 203460140.

The previous prime is 406920281. The next prime is 406920289. The reversal of 406920284 is 482029604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406920281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50865032 + ... + 50865039.

It is an arithmetic number, because the mean of its divisors is an integer number (118685084).

Almost surely, 2406920284 is an apocalyptic number.

It is an amenable number.

406920284 is a deficient number, since it is larger than the sum of its proper divisors (305190220).

406920284 is a wasteful number, since it uses less digits than its factorization.

406920284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101730075 (or 101730073 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 406920284 is about 20172.2652173721. The cubic root of 406920284 is about 741.0311191774.

Adding to 406920284 its reverse (482029604), we get a palindrome (888949888).

The spelling of 406920284 in words is "four hundred six million, nine hundred twenty thousand, two hundred eighty-four".

Divisors: 1 2 4 101730071 203460142 406920284