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68222674 = 2132990481
BaseRepresentation
bin1000001000011…
…11111011010010
311202101001220201
410010033323102
5114431111144
610434125414
71455611632
oct404177322
9152331821
1068222674
1135567783
121aa2086a
1311198860
1490bc6c2
155ec91d4
hex410fed2

68222674 has 16 divisors (see below), whose sum is σ = 114007320. Its totient is φ = 30401280.

The previous prime is 68222663. The next prime is 68222677. The reversal of 68222674 is 47622286.

It can be written as a sum of positive squares in 4 ways, for example, as 31438449 + 36784225 = 5607^2 + 6065^2 .

It is not an unprimeable number, because it can be changed into a prime (68222677) 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, 44487 + ... + 45994.

Almost surely, 268222674 is an apocalyptic number.

68222674 is a deficient number, since it is larger than the sum of its proper divisors (45784646).

68222674 is a wasteful number, since it uses less digits than its factorization.

68222674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90525.

The product of its digits is 64512, while the sum is 37.

The square root of 68222674 is about 8259.7018105982. The cubic root of 68222674 is about 408.6105534234.

The spelling of 68222674 in words is "sixty-eight million, two hundred twenty-two thousand, six hundred seventy-four".

Divisors: 1 2 13 26 29 58 377 754 90481 180962 1176253 2352506 2623949 5247898 34111337 68222674