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68523694 = 2291181443
BaseRepresentation
bin1000001010110…
…01011010101110
311202221100211121
410011121122232
5120020224234
610444411154
71461304351
oct405313256
9152840747
1068523694
1135752958
121ab46aba
1311272885
14915a298
1560384b4
hex41596ae

68523694 has 8 divisors (see below), whose sum is σ = 106329960. Its totient is φ = 33080376.

The previous prime is 68523677. The next prime is 68523757. The reversal of 68523694 is 49632586.

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

It is a self number, because there is not a number n which added to its sum of digits gives 68523694.

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 3 ways as a sum of consecutive naturals, for example, 590664 + ... + 590779.

It is an arithmetic number, because the mean of its divisors is an integer number (13291245).

Almost surely, 268523694 is an apocalyptic number.

68523694 is a deficient number, since it is larger than the sum of its proper divisors (37806266).

68523694 is a wasteful number, since it uses less digits than its factorization.

68523694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181474.

The product of its digits is 311040, while the sum is 43.

The square root of 68523694 is about 8277.9039617526. The cubic root of 68523694 is about 409.2106446582.

The spelling of 68523694 in words is "sixty-eight million, five hundred twenty-three thousand, six hundred ninety-four".

Divisors: 1 2 29 58 1181443 2362886 34261847 68523694