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406214055 = 33513231461
BaseRepresentation
bin11000001101100…
…101010110100111
31001022100210221000
4120031211112213
51312442322210
6104150324343
713031522352
oct3015452647
91038323830
10406214055
1119932a6a5
12b40596b3
1366208b60
143bd41299
15259deac0
hex183655a7

406214055 has 32 divisors (see below), whose sum is σ = 777712320. Its totient is φ = 199981440.

The previous prime is 406214041. The next prime is 406214057. The reversal of 406214055 is 550412604.

It is not a de Polignac number, because 406214055 - 29 = 406213543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406214057) 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, 113976 + ... + 117485.

It is an arithmetic number, because the mean of its divisors is an integer number (24303510).

Almost surely, 2406214055 is an apocalyptic number.

406214055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

406214055 is a deficient number, since it is larger than the sum of its proper divisors (371498265).

406214055 is a wasteful number, since it uses less digits than its factorization.

406214055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231488 (or 231482 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 406214055 is about 20154.7526653145. The cubic root of 406214055 is about 740.6021729866.

Adding to 406214055 its reverse (550412604), we get a palindrome (956626659).

The spelling of 406214055 in words is "four hundred six million, two hundred fourteen thousand, fifty-five".

Divisors: 1 3 5 9 13 15 27 39 45 65 117 135 195 351 585 1755 231461 694383 1157305 2083149 3008993 3471915 6249447 9026979 10415745 15044965 27080937 31247235 45134895 81242811 135404685 406214055