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91382196 = 22311367391
BaseRepresentation
bin1010111001001…
…10000110110100
320100221200210210
411130212012310
5141343212241
613022345420
72156510253
oct534460664
9210850723
1091382196
1147645884
122672b270
1315c17109
14c1ca79a
158051316
hex57261b4

91382196 has 24 divisors (see below), whose sum is σ = 215115264. Its totient is φ = 30190720.

The previous prime is 91382189. The next prime is 91382227. The reversal of 91382196 is 69128319.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32340 + ... + 35051.

It is an arithmetic number, because the mean of its divisors is an integer number (8963136).

Almost surely, 291382196 is an apocalyptic number.

It is an amenable number.

91382196 is an abundant number, since it is smaller than the sum of its proper divisors (123733068).

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

91382196 is a wasteful number, since it uses less digits than its factorization.

91382196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67511 (or 67509 counting only the distinct ones).

The product of its digits is 23328, while the sum is 39.

The square root of 91382196 is about 9559.4035378783. The cubic root of 91382196 is about 450.4229702127.

The spelling of 91382196 in words is "ninety-one million, three hundred eighty-two thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 113 226 339 452 678 1356 67391 134782 202173 269564 404346 808692 7615183 15230366 22845549 30460732 45691098 91382196