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229528430 = 25137239701
BaseRepresentation
bin11011010111001…
…01001101101110
3120222220020210222
431223211031232
5432224402210
634435331342
75454650045
oct1553451556
9528806728
10229528430
1110862111a
1264a50b52
1338725751
14226ab55c
151523d655
hexdae536e

229528430 has 32 divisors (see below), whose sum is σ = 418504320. Its totient is φ = 90630400.

The previous prime is 229528381. The next prime is 229528451. The reversal of 229528430 is 34825922.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 327080 + ... + 327780.

It is an arithmetic number, because the mean of its divisors is an integer number (13078260).

Almost surely, 2229528430 is an apocalyptic number.

229528430 is a deficient number, since it is larger than the sum of its proper divisors (188975890).

229528430 is a wasteful number, since it uses less digits than its factorization.

229528430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 229528430 is about 15150.1957083069. The cubic root of 229528430 is about 612.2735456064.

The spelling of 229528430 in words is "two hundred twenty-nine million, five hundred twenty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 137 239 274 478 685 701 1195 1370 1402 2390 3505 7010 32743 65486 96037 163715 167539 192074 327430 335078 480185 837695 960370 1675390 22952843 45905686 114764215 229528430