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68106426 = 2311351071
BaseRepresentation
bin1000000111100…
…11100010111010
311202011011110020
410003303202322
5114413401201
610431431310
71454616003
oct403634272
9152134406
1068106426
1135498403
121a985536
131115797b
14908c1aa
155ea4a36
hex40f38ba

68106426 has 8 divisors (see below), whose sum is σ = 136212864. Its totient is φ = 22702140.

The previous prime is 68106383. The next prime is 68106461. The reversal of 68106426 is 62460186.

It is a happy number.

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

68106426 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 5675530 + ... + 5675541.

It is an arithmetic number, because the mean of its divisors is an integer number (17026608).

Almost surely, 268106426 is an apocalyptic number.

68106426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68106426 is a wasteful number, since it uses less digits than its factorization.

68106426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11351076.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 68106426 is about 8252.6617524287. The cubic root of 68106426 is about 408.3783375451.

The spelling of 68106426 in words is "sixty-eight million, one hundred six thousand, four hundred twenty-six".

Divisors: 1 2 3 6 11351071 22702142 34053213 68106426