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68224063 = 409166807
BaseRepresentation
bin1000001000100…
…00010000111111
311202101010211011
410010100100333
5114431132223
610434140051
71455615655
oct404202077
9152333734
1068224063
1135568826
121aa21627
131119938b
1490bcdd5
155ec980d
hex411043f

68224063 has 4 divisors (see below), whose sum is σ = 68391280. Its totient is φ = 68056848.

The previous prime is 68224061. The next prime is 68224069. The reversal of 68224063 is 36042286.

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

It is a cyclic number.

It is not a de Polignac number, because 68224063 - 21 = 68224061 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 (68224061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82995 + ... + 83812.

It is an arithmetic number, because the mean of its divisors is an integer number (17097820).

Almost surely, 268224063 is an apocalyptic number.

68224063 is a deficient number, since it is larger than the sum of its proper divisors (167217).

68224063 is a wasteful number, since it uses less digits than its factorization.

68224063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167216.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 68224063 is about 8259.7858931089. The cubic root of 68224063 is about 408.6133264809.

The spelling of 68224063 in words is "sixty-eight million, two hundred twenty-four thousand, sixty-three".

Divisors: 1 409 166807 68224063