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68001093 = 332518559
BaseRepresentation
bin1000000110110…
…01110101000101
311201221210222000
410003121311011
5114402013333
610425255513
71453666626
oct403316505
9151853860
1068001093
1135426256
121a934599
131111ba44
149061a4d
155e83713
hex40d9d45

68001093 has 8 divisors (see below), whose sum is σ = 100742400. Its totient is φ = 45334044.

The previous prime is 68001077. The next prime is 68001097. The reversal of 68001093 is 39010086.

It is not a de Polignac number, because 68001093 - 24 = 68001077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2518559 = 68001093 / (6 + 8 + 0 + 0 + 1 + 0 + 9 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68001097) 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, 1259253 + ... + 1259306.

It is an arithmetic number, because the mean of its divisors is an integer number (12592800).

Almost surely, 268001093 is an apocalyptic number.

It is an amenable number.

68001093 is a deficient number, since it is larger than the sum of its proper divisors (32741307).

68001093 is a wasteful number, since it uses less digits than its factorization.

68001093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518568 (or 2518562 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 68001093 is about 8246.2775238286. The cubic root of 68001093 is about 408.1676970668.

The spelling of 68001093 in words is "sixty-eight million, one thousand, ninety-three".

Divisors: 1 3 9 27 2518559 7555677 22667031 68001093