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214511330 = 251119197521
BaseRepresentation
bin11001100100100…
…10111011100010
3112221122022020002
430302102323202
5414403330310
633141420002
75213213315
oct1462227342
9487568202
10214511330
111000a45a0
125ba0a602
13355983a7
14206bc97c
1513c73da5
hexcc92ee2

214511330 has 64 divisors (see below), whose sum is σ = 446497920. Its totient is φ = 73382400.

The previous prime is 214511309. The next prime is 214511417. The reversal of 214511330 is 33115412.

214511330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2145113302 = 92030221396737800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411470 + ... + 411990.

It is an arithmetic number, because the mean of its divisors is an integer number (6976530).

Almost surely, 2214511330 is an apocalyptic number.

214511330 is an abundant number, since it is smaller than the sum of its proper divisors (231986590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214511330 is a wasteful number, since it uses less digits than its factorization.

214511330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 214511330 is about 14646.2053105915. The cubic root of 214511330 is about 598.6184230354.

Adding to 214511330 its reverse (33115412), we get a palindrome (247626742).

The spelling of 214511330 in words is "two hundred fourteen million, five hundred eleven thousand, three hundred thirty".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 197 209 394 418 521 985 1042 1045 1970 2090 2167 2605 3743 4334 5210 5731 7486 9899 10835 11462 18715 19798 21670 28655 37430 41173 49495 57310 82346 98990 102637 108889 205274 205865 217778 411730 513185 544445 1026370 1088890 1129007 1950103 2258014 3900206 5645035 9750515 11290070 19501030 21451133 42902266 107255665 214511330