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68806754 = 2233740427
BaseRepresentation
bin1000001100111…
…10100001100010
311210110202010022
410012132201202
5120103304004
610454433442
71463563532
oct406364142
9153422108
1068806754
1135926595
121b062882
1311341673
1491d14c2
1560922be
hex419e862

68806754 has 16 divisors (see below), whose sum is σ = 110611008. Its totient is φ = 32017392.

The previous prime is 68806747. The next prime is 68806757. The reversal of 68806754 is 45760886.

It is not an unprimeable number, because it can be changed into a prime (68806757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18512 + ... + 21915.

It is an arithmetic number, because the mean of its divisors is an integer number (6913188).

Almost surely, 268806754 is an apocalyptic number.

68806754 is a deficient number, since it is larger than the sum of its proper divisors (41804254).

68806754 is a wasteful number, since it uses less digits than its factorization.

68806754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40489.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 68806754 is about 8294.9836648423. The cubic root of 68806754 is about 409.7733309849.

The spelling of 68806754 in words is "sixty-eight million, eight hundred six thousand, seven hundred fifty-four".

Divisors: 1 2 23 37 46 74 851 1702 40427 80854 929821 1495799 1859642 2991598 34403377 68806754