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230701380 = 2235713293147
BaseRepresentation
bin11011100000000…
…11100101000100
3121002002211210120
431300003211010
5433024421010
634520421540
75500633530
oct1560034504
9532084716
10230701380
111092523a8
12653178b0
1338a465c0
14228d4bc0
15153c0e70
hexdc03944

230701380 has 384 divisors, whose sum is σ = 867041280. Its totient is φ = 44513280.

The previous prime is 230701307. The next prime is 230701391. The reversal of 230701380 is 83107032.

230701380 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

230701380 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 230701380.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4908517 + ... + 4908563.

It is an arithmetic number, because the mean of its divisors is an integer number (2257920).

Almost surely, 2230701380 is an apocalyptic number.

230701380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230701380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433520640).

230701380 is an abundant number, since it is smaller than the sum of its proper divisors (636339900).

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

230701380 is a wasteful number, since it uses less digits than its factorization.

230701380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 230701380 is about 15188.8570998611. The cubic root of 230701380 is about 613.3147330791.

The spelling of 230701380 in words is "two hundred thirty million, seven hundred one thousand, three hundred eighty".