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68392874 = 2119913137
BaseRepresentation
bin1000001001110…
…01011110101010
311202200201101102
410010321132222
5120002032444
610441521402
71460221064
oct404713652
9152621342
1068392874
1135673640
121aaa3262
1311228174
149124734
15600e84e
hex41397aa

68392874 has 16 divisors (see below), whose sum is σ = 112064256. Its totient is φ = 31046400.

The previous prime is 68392867. The next prime is 68392901. The reversal of 68392874 is 47829386.

It is a Curzon number.

It is an unprimeable number.

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, 20234 + ... + 23370.

It is an arithmetic number, because the mean of its divisors is an integer number (7004016).

Almost surely, 268392874 is an apocalyptic number.

68392874 is a deficient number, since it is larger than the sum of its proper divisors (43671382).

68392874 is a wasteful number, since it uses less digits than its factorization.

68392874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141.

The product of its digits is 580608, while the sum is 47.

The square root of 68392874 is about 8269.9984280531. The cubic root of 68392874 is about 408.9500679315.

The spelling of 68392874 in words is "sixty-eight million, three hundred ninety-two thousand, eight hundred seventy-four".

Divisors: 1 2 11 22 991 1982 3137 6274 10901 21802 34507 69014 3108767 6217534 34196437 68392874