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230355054 = 23212797503
BaseRepresentation
bin11011011101011…
…11000001101110
3121001110020201200
431232233001232
5432432330204
634505150330
75464662036
oct1556570156
9531406650
10230355054
11109036186
126518b3a6
1338954a87
14228448c6
1515353539
hexdbaf06e

230355054 has 12 divisors (see below), whose sum is σ = 499102656. Its totient is φ = 76785012.

The previous prime is 230355029. The next prime is 230355101. The reversal of 230355054 is 450553032.

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 5 ways as a sum of consecutive naturals, for example, 6398734 + ... + 6398769.

It is an arithmetic number, because the mean of its divisors is an integer number (41591888).

Almost surely, 2230355054 is an apocalyptic number.

230355054 is an abundant number, since it is smaller than the sum of its proper divisors (268747602).

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

230355054 is a wasteful number, since it uses less digits than its factorization.

230355054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12797511 (or 12797508 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 230355054 is about 15177.4521577240. The cubic root of 230355054 is about 613.0076792671.

The spelling of 230355054 in words is "two hundred thirty million, three hundred fifty-five thousand, fifty-four".

Divisors: 1 2 3 6 9 18 12797503 25595006 38392509 76785018 115177527 230355054