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89908494 = 231319231103
BaseRepresentation
bin1010101101111…
…10010100001110
320021011211021020
411112332110032
5141004032434
612531015010
72141131614
oct526762416
9207154236
1089908494
1146829645
122613a466
131581c3c0
14bd256b4
157d5e849
hex55be50e

89908494 has 96 divisors (see below), whose sum is σ = 213018624. Its totient is φ = 25116480.

The previous prime is 89908493. The next prime is 89908499. The reversal of 89908494 is 49480998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89908493) 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, 872847 + ... + 872949.

It is an arithmetic number, because the mean of its divisors is an integer number (2218944).

Almost surely, 289908494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89908494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106509312).

89908494 is an abundant number, since it is smaller than the sum of its proper divisors (123110130).

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

89908494 is a wasteful number, since it uses less digits than its factorization.

89908494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 89908494 is about 9482.0089643493. The cubic root of 89908494 is about 447.9885433667.

The spelling of 89908494 in words is "eighty-nine million, nine hundred eight thousand, four hundred ninety-four".

Divisors: 1 2 3 6 13 19 26 31 38 39 57 62 78 93 103 114 186 206 247 309 361 403 494 589 618 722 741 806 1083 1178 1209 1339 1482 1767 1957 2166 2418 2678 3193 3534 3914 4017 4693 5871 6386 7657 8034 9386 9579 11191 11742 14079 15314 19158 22382 22971 25441 28158 33573 37183 41509 45942 50882 60667 67146 74366 76323 83018 111549 121334 124527 145483 152646 182001 223098 249054 290966 364002 436449 483379 788671 872898 966758 1152673 1450137 1577342 2305346 2366013 2900274 3458019 4732026 6916038 14984749 29969498 44954247 89908494