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214312215 = 35134361419
BaseRepresentation
bin11001100011000…
…10010100010111
3112221021012002110
430301202110113
5414330442330
633133242103
75211423645
oct1461422427
9487235073
10214312215
11aaa78a37
125b933333
1335528880
142066a195
1513c34db0
hexcc62517

214312215 has 64 divisors (see below), whose sum is σ = 384975360. Its totient is φ = 101122560.

The previous prime is 214312211. The next prime is 214312223. The reversal of 214312215 is 512213412.

It is not a de Polignac number, because 214312215 - 22 = 214312211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214312191 and 214312200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214312211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 511276 + ... + 511694.

It is an arithmetic number, because the mean of its divisors is an integer number (6015240).

Almost surely, 2214312215 is an apocalyptic number.

214312215 is a deficient number, since it is larger than the sum of its proper divisors (170663145).

214312215 is a wasteful number, since it uses less digits than its factorization.

214312215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544.

The product of its digits is 480, while the sum is 21.

The square root of 214312215 is about 14639.4062379592. The cubic root of 214312215 is about 598.4331479640.

Adding to 214312215 its reverse (512213412), we get a palindrome (726525627).

The spelling of 214312215 in words is "two hundred fourteen million, three hundred twelve thousand, two hundred fifteen".

Divisors: 1 3 5 13 15 39 43 61 65 129 183 195 215 305 419 559 645 793 915 1257 1677 2095 2379 2623 2795 3965 5447 6285 7869 8385 11895 13115 16341 18017 25559 27235 34099 39345 54051 76677 81705 90085 102297 127795 170495 234221 270255 332267 383385 511485 702663 996801 1099037 1171105 1661335 3297111 3513315 4984005 5495185 14287481 16485555 42862443 71437405 214312215