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91096077 = 3239371409
BaseRepresentation
bin1010110111000…
…00010000001101
320100102011022210
411123200100031
5141310033302
613012301033
72154206142
oct533402015
9210364283
1091096077
114746a916
1226611779
1315b46b07
14c1543c9
157ee666c
hex56e040d

91096077 has 16 divisors (see below), whose sum is σ = 126967680. Its totient is φ = 57987072.

The previous prime is 91096063. The next prime is 91096079. The reversal of 91096077 is 77069019.

It is not a de Polignac number, because 91096077 - 218 = 90833933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91096079) 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 15 ways as a sum of consecutive naturals, for example, 63949 + ... + 65357.

It is an arithmetic number, because the mean of its divisors is an integer number (7935480).

Almost surely, 291096077 is an apocalyptic number.

It is an amenable number.

91096077 is a deficient number, since it is larger than the sum of its proper divisors (35871603).

91096077 is a wasteful number, since it uses less digits than its factorization.

91096077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 91096077 is about 9544.4264887944. The cubic root of 91096077 is about 449.9523850855.

The spelling of 91096077 in words is "ninety-one million, ninety-six thousand, seventy-seven".

Divisors: 1 3 23 69 937 1409 2811 4227 21551 32407 64653 97221 1320233 3960699 30365359 91096077