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68446942 = 2231487977
BaseRepresentation
bin1000001010001…
…10101011011110
311202210110112221
410011012223132
5120010300232
610443015554
71460534524
oct405065336
9152713487
1068446942
1135700223
121ab0a5ba
1311246965
14913a314
156020897
hex4146ade

68446942 has 8 divisors (see below), whose sum is σ = 107134416. Its totient is φ = 32735472.

The previous prime is 68446901. The next prime is 68446969. The reversal of 68446942 is 24964486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 743943 + ... + 744034.

It is an arithmetic number, because the mean of its divisors is an integer number (13391802).

Almost surely, 268446942 is an apocalyptic number.

68446942 is a deficient number, since it is larger than the sum of its proper divisors (38687474).

68446942 is a wasteful number, since it uses less digits than its factorization.

68446942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488002.

The product of its digits is 331776, while the sum is 43.

The square root of 68446942 is about 8273.2667066885. The cubic root of 68446942 is about 409.0578047316.

The spelling of 68446942 in words is "sixty-eight million, four hundred forty-six thousand, nine hundred forty-two".

Divisors: 1 2 23 46 1487977 2975954 34223471 68446942