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230345552 = 2423625939
BaseRepresentation
bin11011011101011…
…00101101010000
3121001102202200202
431232230231100
5432432024202
634505034332
75464622243
oct1556545520
9531382622
10230345552
1110902a028
12651859a8
1338950658
142284125a
1515350802
hexdbacb50

230345552 has 20 divisors (see below), whose sum is σ = 465699360. Its totient is φ = 110165088.

The previous prime is 230345551. The next prime is 230345567. The reversal of 230345552 is 255543032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230345551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312602 + ... + 313337.

It is an arithmetic number, because the mean of its divisors is an integer number (23284968).

Almost surely, 2230345552 is an apocalyptic number.

It is an amenable number.

230345552 is an abundant number, since it is smaller than the sum of its proper divisors (235353808).

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

230345552 is a wasteful number, since it uses less digits than its factorization.

230345552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625970 (or 625964 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 230345552 is about 15177.1391243541. The cubic root of 230345552 is about 612.9992504251. Note that the first 3 decimals are identical.

Adding to 230345552 its reverse (255543032), we get a palindrome (485888584).

The spelling of 230345552 in words is "two hundred thirty million, three hundred forty-five thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 625939 1251878 2503756 5007512 10015024 14396597 28793194 57586388 115172776 230345552