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68936874 = 2347244457
BaseRepresentation
bin1000001101111…
…10010010101010
311210201100121120
410012332102222
5120121434444
610501320110
71464645066
oct406762252
9153640546
1068936874
1135a05326
121b106036
1311388966
149226aa6
1560bab19
hex41be4aa

68936874 has 16 divisors (see below), whose sum is σ = 140807808. Its totient is φ = 22489952.

The previous prime is 68936851. The next prime is 68936897. The reversal of 68936874 is 47863986.

It is an interprime number because it is at equal distance from previous prime (68936851) and next prime (68936897).

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, 121947 + ... + 122510.

It is an arithmetic number, because the mean of its divisors is an integer number (8800488).

Almost surely, 268936874 is an apocalyptic number.

68936874 is an abundant number, since it is smaller than the sum of its proper divisors (71870934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68936874 is a wasteful number, since it uses less digits than its factorization.

68936874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244509.

The product of its digits is 1741824, while the sum is 51.

The square root of 68936874 is about 8302.8232547730. The cubic root of 68936874 is about 410.0314748789.

The spelling of 68936874 in words is "sixty-eight million, nine hundred thirty-six thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 47 94 141 282 244457 488914 733371 1466742 11489479 22978958 34468437 68936874