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68547342 = 2381114087
BaseRepresentation
bin1000001010111…
…11001100001110
311202222120021110
410011133030032
5120022003332
610445112450
71461433323
oct405371416
9152876243
1068547342
11357696a6
121ab58726
1311280576
149164b4a
1560404cc
hex415f30e

68547342 has 16 divisors (see below), whose sum is σ = 137273472. Its totient is φ = 22819320.

The previous prime is 68547319. The next prime is 68547343. The reversal of 68547342 is 24374586.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68547342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68547343) 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, 2178 + ... + 11909.

It is an arithmetic number, because the mean of its divisors is an integer number (8579592).

Almost surely, 268547342 is an apocalyptic number.

68547342 is an abundant number, since it is smaller than the sum of its proper divisors (68726130).

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

68547342 is a wasteful number, since it uses less digits than its factorization.

68547342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14903.

The product of its digits is 161280, while the sum is 39.

The square root of 68547342 is about 8279.3322194486. The cubic root of 68547342 is about 409.2577130506.

It can be divided in two parts, 6854 and 7342, that added together give a triangular number (14196 = T168).

The spelling of 68547342 in words is "sixty-eight million, five hundred forty-seven thousand, three hundred forty-two".

Divisors: 1 2 3 6 811 1622 2433 4866 14087 28174 42261 84522 11424557 22849114 34273671 68547342