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988633492 = 227114179991
BaseRepresentation
bin111010111011010…
…101100110010100
32112220021210012021
4322323111212110
54011042232432
6242033502524
733333150250
oct7273254624
92486253167
10988633492
1146806aa80
12237111a44
13129a8a642
149542d260
155bbd8697
hex3aed5994

988633492 has 96 divisors (see below), whose sum is σ = 2239856640. Its totient is φ = 370656000.

The previous prime is 988633489. The next prime is 988633507. The reversal of 988633492 is 294336889.

It is a super-2 number, since 2×9886334922 = 1954792363008228128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 997117 + ... + 998107.

It is an arithmetic number, because the mean of its divisors is an integer number (23331840).

Almost surely, 2988633492 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 988633492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119928320).

988633492 is an abundant number, since it is smaller than the sum of its proper divisors (1251223148).

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

988633492 is a wasteful number, since it uses less digits than its factorization.

988633492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1131 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The square root of 988633492 is about 31442.5427088841. The cubic root of 988633492 is about 996.1967173794.

The spelling of 988633492 in words is "nine hundred eighty-eight million, six hundred thirty-three thousand, four hundred ninety-two".

Divisors: 1 2 4 7 11 14 22 28 41 44 77 79 82 154 158 164 287 308 316 451 553 574 869 902 991 1106 1148 1738 1804 1982 2212 3157 3239 3476 3964 6083 6314 6478 6937 10901 12166 12628 12956 13874 21802 22673 24332 27748 35629 40631 43604 45346 71258 76307 78289 81262 90692 142516 152614 156578 162524 249403 284417 305228 313156 446941 498806 548023 568834 861179 893882 997612 1096046 1137668 1722358 1787764 2192092 3128587 3209849 3444716 6028253 6257174 6419698 12056506 12514348 12839396 22468943 24113012 35308339 44937886 70616678 89875772 141233356 247158373 494316746 988633492