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230934284 = 22719434087
BaseRepresentation
bin11011100001111…
…00011100001100
3121002112200021122
431300330130030
5433104344114
634525420112
75502623540
oct1560743414
9532480248
10230934284
111093a1389
126540a638
1338ac8609
1422955a20
1515419e8e
hexdc3c70c

230934284 has 24 divisors (see below), whose sum is σ = 486178560. Its totient is φ = 93762576.

The previous prime is 230934257. The next prime is 230934287. The reversal of 230934284 is 482439032.

It is a happy number.

230934284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (230934287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216512 + ... + 217575.

It is an arithmetic number, because the mean of its divisors is an integer number (20257440).

Almost surely, 2230934284 is an apocalyptic number.

It is an amenable number.

230934284 is an abundant number, since it is smaller than the sum of its proper divisors (255244276).

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

230934284 is a wasteful number, since it uses less digits than its factorization.

230934284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434117 (or 434115 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 230934284 is about 15196.5221021127. The cubic root of 230934284 is about 613.5210537817.

The spelling of 230934284 in words is "two hundred thirty million, nine hundred thirty-four thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 434087 868174 1736348 3038609 6077218 8247653 12154436 16495306 32990612 57733571 115467142 230934284