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91160494 = 2172681191
BaseRepresentation
bin1010110111011…
…11111110101110
320100112102200121
411123233332232
5141314113434
613013515154
72154565015
oct533577656
9210472617
1091160494
1147504257
1226642aba
1315b6a229
14c16da7c
15800a7b4
hex56effae

91160494 has 8 divisors (see below), whose sum is σ = 144784368. Its totient is φ = 42899040.

The previous prime is 91160467. The next prime is 91160497. The reversal of 91160494 is 49406119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 2681191 = 91160494 / (9 + 1 + 1 + 6 + 0 + 4 + 9 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91160497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340562 + ... + 1340629.

It is an arithmetic number, because the mean of its divisors is an integer number (18098046).

Almost surely, 291160494 is an apocalyptic number.

91160494 is a deficient number, since it is larger than the sum of its proper divisors (53623874).

91160494 is a wasteful number, since it uses less digits than its factorization.

91160494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681210.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 91160494 is about 9547.8004796916. The cubic root of 91160494 is about 450.0584187532.

The spelling of 91160494 in words is "ninety-one million, one hundred sixty thousand, four hundred ninety-four".

Divisors: 1 2 17 34 2681191 5362382 45580247 91160494