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68357395 = 513671479
BaseRepresentation
bin1000001001100…
…00110100010011
311202121220201101
410010300310103
5114444414040
610441045231
71460012461
oct404606423
9152556641
1068357395
1135649a17
121aa86817
1311214c82
149115831
15600409a
hex4130d13

68357395 has 4 divisors (see below), whose sum is σ = 82028880. Its totient is φ = 54685912.

The previous prime is 68357371. The next prime is 68357413. The reversal of 68357395 is 59375386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68357395 - 25 = 68357363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6835735 + ... + 6835744.

It is an arithmetic number, because the mean of its divisors is an integer number (20507220).

Almost surely, 268357395 is an apocalyptic number.

68357395 is a deficient number, since it is larger than the sum of its proper divisors (13671485).

68357395 is a wasteful number, since it uses less digits than its factorization.

68357395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13671484.

The product of its digits is 680400, while the sum is 46.

The square root of 68357395 is about 8267.8531070647. The cubic root of 68357395 is about 408.8793410257.

Subtracting from 68357395 its reverse (59375386), we obtain a square (8982009 = 29972).

The spelling of 68357395 in words is "sixty-eight million, three hundred fifty-seven thousand, three hundred ninety-five".

Divisors: 1 5 13671479 68357395