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68911343 = 731277433
BaseRepresentation
bin1000001101110…
…00000011101111
311210200001120222
410012320003233
5120120130333
610501001555
71464510464
oct406700357
9153601528
1068911343
1135998126
121b0b32bb
131137a157
14921b66b
1560b3298
hex41b80ef

68911343 has 8 divisors (see below), whose sum is σ = 70414848. Its totient is φ = 67423104.

The previous prime is 68911333. The next prime is 68911361. The reversal of 68911343 is 34311986.

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

It is a cyclic number.

It is not a de Polignac number, because 68911343 - 222 = 64717039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68911303) 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, 5555 + ... + 12987.

It is an arithmetic number, because the mean of its divisors is an integer number (8801856).

Almost surely, 268911343 is an apocalyptic number.

68911343 is a deficient number, since it is larger than the sum of its proper divisors (1503505).

68911343 is a wasteful number, since it uses less digits than its factorization.

68911343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633.

The product of its digits is 15552, while the sum is 35.

The square root of 68911343 is about 8301.2856233237. The cubic root of 68911343 is about 409.9808497897.

The spelling of 68911343 in words is "sixty-eight million, nine hundred eleven thousand, three hundred forty-three".

Divisors: 1 73 127 7433 9271 542609 943991 68911343