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93506081 is a prime number
BaseRepresentation
bin1011001001011…
…00101000100001
320111221121020012
411210230220201
5142414143311
613140054305
72213534324
oct544545041
9214847205
1093506081
1148866559
1227394395
13164aba56
14c5c07bb
15832078b
hex592ca21

93506081 has 2 divisors, whose sum is σ = 93506082. Its totient is φ = 93506080.

The previous prime is 93506053. The next prime is 93506093. The reversal of 93506081 is 18060539.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91374481 + 2131600 = 9559^2 + 1460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-93506081 is a prime.

It is a super-2 number, since 2×935060812 = 17486774367957122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (93506051) 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 as a sum of consecutive naturals, namely, 46753040 + 46753041.

It is an arithmetic number, because the mean of its divisors is an integer number (46753041).

Almost surely, 293506081 is an apocalyptic number.

It is an amenable number.

93506081 is a deficient number, since it is larger than the sum of its proper divisors (1).

93506081 is an equidigital number, since it uses as much as digits as its factorization.

93506081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 93506081 is about 9669.8542388187. The cubic root of 93506081 is about 453.8858235914.

The spelling of 93506081 in words is "ninety-three million, five hundred six thousand, eighty-one".