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234636768 = 25323141641
BaseRepresentation
bin11011111110001…
…00010111100000
3121100111210010200
431333010113200
5440031334033
635141025200
75546244132
oct1577042740
9540453120
10234636768
111104a0093
12666b5200
13397c3932
142323b052
15158ec013
hexdfc45e0

234636768 has 144 divisors (see below), whose sum is σ = 706672512. Its totient is φ = 73728000.

The previous prime is 234636763. The next prime is 234636791. The reversal of 234636768 is 867636432.

234636768 is a `hidden beast` number, since 2 + 3 + 4 + 636 + 7 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234636761) 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, 365728 + ... + 366368.

It is an arithmetic number, because the mean of its divisors is an integer number (4907448).

Almost surely, 2234636768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234636768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353336256).

234636768 is an abundant number, since it is smaller than the sum of its proper divisors (472035744).

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

234636768 is a wasteful number, since it uses less digits than its factorization.

234636768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 718 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 234636768 is about 15317.8578136762. The cubic root of 234636768 is about 616.7824711012.

The spelling of 234636768 in words is "two hundred thirty-four million, six hundred thirty-six thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 32 36 41 48 62 72 82 93 96 123 124 144 164 186 246 248 279 288 328 369 372 492 496 558 641 656 738 744 984 992 1116 1271 1282 1312 1476 1488 1923 1968 2232 2542 2564 2952 2976 3813 3846 3936 4464 5084 5128 5769 5904 7626 7692 8928 10168 10256 11439 11538 11808 15252 15384 19871 20336 20512 22878 23076 26281 30504 30768 39742 40672 45756 46152 52562 59613 61008 61536 78843 79484 91512 92304 105124 119226 122016 157686 158968 178839 183024 184608 210248 236529 238452 315372 317936 357678 366048 420496 473058 476904 630744 635872 715356 814711 840992 946116 953808 1261488 1430712 1629422 1892232 1907616 2444133 2522976 2861424 3258844 3784464 4888266 5722848 6517688 7332399 7568928 9776532 13035376 14664798 19553064 26070752 29329596 39106128 58659192 78212256 117318384 234636768