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93680005 = 5294311499
BaseRepresentation
bin1011001010101…
…11000110000101
320112021102210211
411211113012011
5142440230010
613143515421
72215160356
oct545270605
9215242724
1093680005
11489751a1
1227458b71
131653cc73
14c627d2d
15835708a
hex5957185

93680005 has 16 divisors (see below), whose sum is σ = 116640000. Its totient is φ = 72143680.

The previous prime is 93679997. The next prime is 93680021. The reversal of 93680005 is 50008639.

It is not a de Polignac number, because 93680005 - 23 = 93679997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61746 + ... + 63244.

It is an arithmetic number, because the mean of its divisors is an integer number (7290000).

Almost surely, 293680005 is an apocalyptic number.

It is an amenable number.

93680005 is a deficient number, since it is larger than the sum of its proper divisors (22959995).

93680005 is a wasteful number, since it uses less digits than its factorization.

93680005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 93680005 is about 9678.8431643456. The cubic root of 93680005 is about 454.1670628544.

The spelling of 93680005 in words is "ninety-three million, six hundred eighty thousand, five".

Divisors: 1 5 29 145 431 1499 2155 7495 12499 43471 62495 217355 646069 3230345 18736001 93680005