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89730312 = 23371928111
BaseRepresentation
bin1010101100100…
…10110100001000
320020211202211220
411112102310020
5140432332222
612523122040
72136460260
oct526226410
9206752756
1089730312
1146717791
1226073320
1315789279
14bcba7a0
157d26b5c
hex5592d08

89730312 has 64 divisors (see below), whose sum is σ = 269875200. Its totient is φ = 24287040.

The previous prime is 89730259. The next prime is 89730323. The reversal of 89730312 is 21303798.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10864 + ... + 17247.

It is an arithmetic number, because the mean of its divisors is an integer number (4216800).

Almost surely, 289730312 is an apocalyptic number.

It is an amenable number.

89730312 is an abundant number, since it is smaller than the sum of its proper divisors (180144888).

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

89730312 is a wasteful number, since it uses less digits than its factorization.

89730312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28146 (or 28142 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 89730312 is about 9472.6085108591. The cubic root of 89730312 is about 447.6924041811.

The spelling of 89730312 in words is "eighty-nine million, seven hundred thirty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 19 21 24 28 38 42 56 57 76 84 114 133 152 168 228 266 399 456 532 798 1064 1596 3192 28111 56222 84333 112444 168666 196777 224888 337332 393554 534109 590331 674664 787108 1068218 1180662 1574216 1602327 2136436 2361324 3204654 3738763 4272872 4722648 6409308 7477526 11216289 12818616 14955052 22432578 29910104 44865156 89730312