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91382096 = 24131921217
BaseRepresentation
bin1010111001001…
…10000101010000
320100221200200002
411130212011100
5141343211341
613022345132
72156510051
oct534460520
9210850602
1091382096
11476457a3
122672b1a8
1315c17060
14c1ca728
15805129b
hex5726150

91382096 has 60 divisors (see below), whose sum is σ = 201401172. Its totient is φ = 39923712.

The previous prime is 91382047. The next prime is 91382099. The reversal of 91382096 is 69028319.

It can be written as a sum of positive squares in 2 ways, for example, as 21492496 + 69889600 = 4636^2 + 8360^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91382099) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 74480 + ... + 75696.

Almost surely, 291382096 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 91382096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100700586).

91382096 is an abundant number, since it is smaller than the sum of its proper divisors (110019076).

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

91382096 is a wasteful number, since it uses less digits than its factorization.

91382096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 91382096 is about 9559.3983074250. The cubic root of 91382096 is about 450.4228059126.

The spelling of 91382096 in words is "ninety-one million, three hundred eighty-two thousand, ninety-six".

Divisors: 1 2 4 8 13 16 19 26 38 52 76 104 152 208 247 304 361 494 722 988 1217 1444 1976 2434 2888 3952 4693 4868 5776 9386 9736 15821 18772 19472 23123 31642 37544 46246 63284 75088 92492 126568 184984 253136 300599 369968 439337 601198 878674 1202396 1757348 2404792 3514696 4809584 5711381 7029392 11422762 22845524 45691048 91382096