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68866288 = 244304143
BaseRepresentation
bin1000001101011…
…01000011110000
311210120202210021
410012231003300
5120112210123
610500013224
71464232231
oct406550360
9153522707
1068866288
1135967297
121b091214
13113627aa
149209088
1560a4c5d
hex41ad0f0

68866288 has 10 divisors (see below), whose sum is σ = 133428464. Its totient is φ = 34433136.

The previous prime is 68866277. The next prime is 68866313. The reversal of 68866288 is 88266886.

It is a happy number.

It is a congruent number.

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, 2152056 + ... + 2152087.

Almost surely, 268866288 is an apocalyptic number.

It is an amenable number.

68866288 is a deficient number, since it is larger than the sum of its proper divisors (64562176).

68866288 is a wasteful number, since it uses less digits than its factorization.

68866288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4304151 (or 4304145 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 52.

The square root of 68866288 is about 8298.5714433269. The cubic root of 68866288 is about 409.8914803017.

The spelling of 68866288 in words is "sixty-eight million, eight hundred sixty-six thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 4304143 8608286 17216572 34433144 68866288