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239881068 = 22337245329
BaseRepresentation
bin11100100110001…
…00101101101100
3121201101012222000
432103010231230
5442402143233
635445252300
75641645500
oct1623045554
9551335860
10239881068
11113452219
1268404090
133a90b97b
1423c04300
15160d5d13
hexe4c4b6c

239881068 has 72 divisors (see below), whose sum is σ = 723466800. Its totient is φ = 68535936.

The previous prime is 239881063. The next prime is 239881087. The reversal of 239881068 is 860188932.

239881068 is digitally balanced in base 2 and base 3, because in such bases 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 (239881063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17373 + ... + 27956.

It is an arithmetic number, because the mean of its divisors is an integer number (10048150).

Almost surely, 2239881068 is an apocalyptic number.

239881068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

239881068 is an abundant number, since it is smaller than the sum of its proper divisors (483585732).

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

239881068 is a wasteful number, since it uses less digits than its factorization.

239881068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45356 (or 45341 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 239881068 is about 15488.0943953735. The cubic root of 239881068 is about 621.3438316250.

The spelling of 239881068 in words is "two hundred thirty-nine million, eight hundred eighty-one thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 108 126 147 189 196 252 294 378 441 588 756 882 1323 1764 2646 5292 45329 90658 135987 181316 271974 317303 407961 543948 634606 815922 951909 1223883 1269212 1631844 1903818 2221121 2447766 2855727 3807636 4442242 4895532 5711454 6663363 8567181 8884484 11422908 13326726 17134362 19990089 26653452 34268724 39980178 59970267 79960356 119940534 239881068