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68268826 = 234134413
BaseRepresentation
bin1000001000110…
…11001100011010
311202110102020001
410010123030122
5114434100301
610435123214
71456163323
oct404331432
9152412201
1068268826
113559941a
121aa4350a
13111b3872
1490d144a
155ed7c01
hex411b31a

68268826 has 4 divisors (see below), whose sum is σ = 102403242. Its totient is φ = 34134412.

The previous prime is 68268799. The next prime is 68268847. The reversal of 68268826 is 62886286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62886286 = 231443143.

It can be written as a sum of positive squares in only one way, i.e., 61638201 + 6630625 = 7851^2 + 2575^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17067205 + ... + 17067208.

Almost surely, 268268826 is an apocalyptic number.

68268826 is a deficient number, since it is larger than the sum of its proper divisors (34134416).

68268826 is a wasteful number, since it uses less digits than its factorization.

68268826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34134415.

The product of its digits is 442368, while the sum is 46.

The square root of 68268826 is about 8262.4951437202. The cubic root of 68268826 is about 408.7026730580.

The spelling of 68268826 in words is "sixty-eight million, two hundred sixty-eight thousand, eight hundred twenty-six".

Divisors: 1 2 34134413 68268826