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68068677 = 322689559
BaseRepresentation
bin1000000111010…
…10010101000101
311202002020200010
410003222111011
5114411144202
610430540433
71454400645
oct403522505
9152066603
1068068677
1135472006
121a967719
1311143731
14907c525
155e9876c
hex40ea545

68068677 has 4 divisors (see below), whose sum is σ = 90758240. Its totient is φ = 45379116.

The previous prime is 68068673. The next prime is 68068681. The reversal of 68068677 is 77686086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (68068673) and next prime (68068681).

It is not a de Polignac number, because 68068677 - 22 = 68068673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68068673) 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 in 3 ways as a sum of consecutive naturals, for example, 11344777 + ... + 11344782.

It is an arithmetic number, because the mean of its divisors is an integer number (22689560).

Almost surely, 268068677 is an apocalyptic number.

It is an amenable number.

68068677 is a deficient number, since it is larger than the sum of its proper divisors (22689563).

68068677 is a wasteful number, since it uses less digits than its factorization.

68068677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22689562.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 68068677 is about 8250.3743551429. The cubic root of 68068677 is about 408.3028736778.

The spelling of 68068677 in words is "sixty-eight million, sixty-eight thousand, six hundred seventy-seven".

Divisors: 1 3 22689559 68068677