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214321630 = 2559363257
BaseRepresentation
bin11001100011001…
…00100111011110
3112221021200000011
430301210213132
5414331243010
633133353434
75211463255
oct1461444736
9487250004
10214321630
11aaa85016
125b93887a
133552cc43
142066d79c
1513c37a8a
hexcc649de

214321630 has 16 divisors (see below), whose sum is σ = 392318640. Its totient is φ = 84275392.

The previous prime is 214321603. The next prime is 214321651. The reversal of 214321630 is 36123412.

It is a super-2 number, since 2×2143216302 = 91867522171713800, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181039 + ... + 182218.

It is an arithmetic number, because the mean of its divisors is an integer number (24519915).

Almost surely, 2214321630 is an apocalyptic number.

214321630 is a deficient number, since it is larger than the sum of its proper divisors (177997010).

214321630 is a wasteful number, since it uses less digits than its factorization.

214321630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363323.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 214321630 is about 14639.7277980159. The cubic root of 214321630 is about 598.4419111378.

The spelling of 214321630 in words is "two hundred fourteen million, three hundred twenty-one thousand, six hundred thirty".

Divisors: 1 2 5 10 59 118 295 590 363257 726514 1816285 3632570 21432163 42864326 107160815 214321630