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68907343 = 587117389
BaseRepresentation
bin1000001101101…
…11000101001111
311210122212002211
410012313011033
5120120013333
610500531251
71464463021
oct406670517
9153585084
1068907343
113599511a
121b0b0b27
131137839b
14921a011
1560b1ecd
hex41b714f

68907343 has 4 divisors (see below), whose sum is σ = 69025320. Its totient is φ = 68789368.

The previous prime is 68907331. The next prime is 68907353. The reversal of 68907343 is 34370986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68907343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68907296 and 68907305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68907313) 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, 58108 + ... + 59281.

It is an arithmetic number, because the mean of its divisors is an integer number (17256330).

Almost surely, 268907343 is an apocalyptic number.

68907343 is a deficient number, since it is larger than the sum of its proper divisors (117977).

68907343 is a wasteful number, since it uses less digits than its factorization.

68907343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117976.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 68907343 is about 8301.0446932901. The cubic root of 68907343 is about 409.9729171085.

The spelling of 68907343 in words is "sixty-eight million, nine hundred seven thousand, three hundred forty-three".

Divisors: 1 587 117389 68907343