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238680960 = 2735724359
BaseRepresentation
bin11100011100111…
…11101110000000
3121122010020201120
432032133232000
5442100242320
635403432240
75625516600
oct1616375600
9548106646
10238680960
111128025a1
1267b25680
133a5ab64b
14239b0c00
1515e4a440
hexe39fb80

238680960 has 384 divisors, whose sum is σ = 920937600. Its totient is φ = 52383744.

The previous prime is 238680929. The next prime is 238680961. The reversal of 238680960 is 69086832.

238680960 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238680961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4045411 + ... + 4045469.

It is an arithmetic number, because the mean of its divisors is an integer number (2398275).

Almost surely, 2238680960 is an apocalyptic number.

238680960 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 238680960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460468800).

238680960 is an abundant number, since it is smaller than the sum of its proper divisors (682256640).

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

238680960 is a wasteful number, since it uses less digits than its factorization.

238680960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 238680960 is about 15449.3028968947. The cubic root of 238680960 is about 620.3059190951.

The spelling of 238680960 in words is "two hundred thirty-eight million, six hundred eighty thousand, nine hundred sixty".