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881494668 = 2232433111831
BaseRepresentation
bin110100100010101…
…000101010001100
32021102200120100200
4310202220222030
53301130312133
6223245253500
730562403205
oct6442505214
92242616320
10881494668
11412642a9a
12207264290
131108176a2
14851005ac
15525c3913
hex348a8a8c

881494668 has 72 divisors (see below), whose sum is σ = 2288622336. Its totient is φ = 285919200.

The previous prime is 881494667. The next prime is 881494699. The reversal of 881494668 is 866494188.

It is not an unprimeable number, because it can be changed into a prime (881494667) 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, 480513 + ... + 482343.

Almost surely, 2881494668 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 881494668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1144311168).

881494668 is an abundant number, since it is smaller than the sum of its proper divisors (1407127668).

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

881494668 is a wasteful number, since it uses less digits than its factorization.

881494668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195 (or 2190 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 881494668 is about 29689.9758841263. The cubic root of 881494668 is about 958.8262086201.

The spelling of 881494668 in words is "eight hundred eighty-one million, four hundred ninety-four thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 43 86 129 172 258 311 387 516 622 774 933 1244 1548 1831 1866 2799 3662 3732 5493 5598 7324 10986 11196 13373 16479 21972 26746 32958 40119 53492 65916 78733 80238 120357 157466 160476 236199 240714 314932 472398 481428 569441 708597 944796 1138882 1417194 1708323 2277764 2834388 3416646 5124969 6833292 10249938 20499876 24485963 48971926 73457889 97943852 146915778 220373667 293831556 440747334 881494668