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68973558 = 2311495593
BaseRepresentation
bin1000001110001…
…11001111110110
311210210012221020
410013013033312
5120124123213
610502202010
71465160043
oct407071766
9153705836
1068973558
1135a2a945
121b123306
131139c574
1492361ca
1560c6923
hex41c73f6

68973558 has 8 divisors (see below), whose sum is σ = 137947128. Its totient is φ = 22991184.

The previous prime is 68973529. The next prime is 68973559. The reversal of 68973558 is 85537986.

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

68973558 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 68973558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68973559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5747791 + ... + 5747802.

It is an arithmetic number, because the mean of its divisors is an integer number (17243391).

Almost surely, 268973558 is an apocalyptic number.

68973558 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.

68973558 is a wasteful number, since it uses less digits than its factorization.

68973558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11495598.

The product of its digits is 1814400, while the sum is 51.

The square root of 68973558 is about 8305.0320890410. The cubic root of 68973558 is about 410.1041932296.

It can be divided in two parts, 689 and 73558, that added together give a palindrome (74247).

The spelling of 68973558 in words is "sixty-eight million, nine hundred seventy-three thousand, five hundred fifty-eight".

Divisors: 1 2 3 6 11495593 22991186 34486779 68973558