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233690214 = 2331240529
BaseRepresentation
bin11011110110111…
…01010001100110
3121021201200201010
431323131101212
5434311041324
635104443050
75535222402
oct1573352146
9537650633
10233690214
1110aa03a0a
1266319486
1339551b44
1423072102
15157b1829
hexdedd466

233690214 has 24 divisors (see below), whose sum is σ = 482955480. Its totient is φ = 75382080.

The previous prime is 233690213. The next prime is 233690221. The reversal of 233690214 is 412096332.

It is a super-2 number, since 2×2336902142 = 109222232238731592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233690213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14499 + ... + 26030.

It is an arithmetic number, because the mean of its divisors is an integer number (20123145).

Almost surely, 2233690214 is an apocalyptic number.

233690214 is an abundant number, since it is smaller than the sum of its proper divisors (249265266).

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

233690214 is a wasteful number, since it uses less digits than its factorization.

233690214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40596 (or 40565 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 233690214 is about 15286.9295151119. The cubic root of 233690214 is about 615.9519608205.

The spelling of 233690214 in words is "two hundred thirty-three million, six hundred ninety thousand, two hundred fourteen".

Divisors: 1 2 3 6 31 62 93 186 961 1922 2883 5766 40529 81058 121587 243174 1256399 2512798 3769197 7538394 38948369 77896738 116845107 233690214