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68255054 = 2723920399
BaseRepresentation
bin1000001000101…
…11110101001110
311202102201022222
410010113311032
5114433130204
610434535342
71456105220
oct404276516
9152381288
1068255054
113558a03a
121aa37552
13111aa50a
1490ca410
155ed3abe
hex4117d4e

68255054 has 16 divisors (see below), whose sum is σ = 117504000. Its totient is φ = 29128344.

The previous prime is 68255039. The next prime is 68255059. The reversal of 68255054 is 45055286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68255059) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6854 + ... + 13545.

It is an arithmetic number, because the mean of its divisors is an integer number (7344000).

Almost surely, 268255054 is an apocalyptic number.

68255054 is a deficient number, since it is larger than the sum of its proper divisors (49248946).

68255054 is a wasteful number, since it uses less digits than its factorization.

68255054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20647.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 68255054 is about 8261.6616972616. The cubic root of 68255054 is about 408.6751884207.

The spelling of 68255054 in words is "sixty-eight million, two hundred fifty-five thousand, fifty-four".

Divisors: 1 2 7 14 239 478 1673 3346 20399 40798 142793 285586 4875361 9750722 34127527 68255054