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68084834 = 234042417
BaseRepresentation
bin1000000111011…
…10010001100010
311202010001211112
410003232101202
5114412203314
610431143322
71454466026
oct403562142
9152101745
1068084834
1135483164
121a974b42
131114abac
149084386
155e9d43e
hex40ee462

68084834 has 4 divisors (see below), whose sum is σ = 102127254. Its totient is φ = 34042416.

The previous prime is 68084789. The next prime is 68084839. The reversal of 68084834 is 43848086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64754209 + 3330625 = 8047^2 + 1825^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68084791 and 68084800.

It is not an unprimeable number, because it can be changed into a prime (68084839) by changing a digit.

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, 17021207 + ... + 17021210.

Almost surely, 268084834 is an apocalyptic number.

68084834 is a deficient number, since it is larger than the sum of its proper divisors (34042420).

68084834 is a wasteful number, since it uses less digits than its factorization.

68084834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34042419.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 68084834 is about 8251.3534647353. The cubic root of 68084834 is about 408.3351764830.

The spelling of 68084834 in words is "sixty-eight million, eighty-four thousand, eight hundred thirty-four".

Divisors: 1 2 34042417 68084834