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91427 = 737353
BaseRepresentation
bin10110010100100011
311122102012
4112110203
510411202
61543135
7530360
oct262443
9148365
1091427
1162766
1244aab
13327cb
1425467
151c152
hex16523

91427 has 8 divisors (see below), whose sum is σ = 107616. Its totient is φ = 76032.

The previous prime is 91423. The next prime is 91433. The reversal of 91427 is 72419.

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

It is a cyclic number.

It is not a de Polignac number, because 91427 - 22 = 91423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 91427.

It is not an unprimeable number, because it can be changed into a prime (91423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83 + ... + 435.

It is an arithmetic number, because the mean of its divisors is an integer number (13452).

291427 is an apocalyptic number.

91427 is a deficient number, since it is larger than the sum of its proper divisors (16189).

91427 is a wasteful number, since it uses less digits than its factorization.

91427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397.

The product of its digits is 504, while the sum is 23.

The square root of 91427 is about 302.3689798905. The cubic root of 91427 is about 45.0496571178.

The spelling of 91427 in words is "ninety-one thousand, four hundred twenty-seven".

Divisors: 1 7 37 259 353 2471 13061 91427