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68227707 = 361372829
BaseRepresentation
bin1000001000100…
…01001001111011
311202101022211010
410010101021323
5114431241312
610434205003
71455632412
oct404211173
9152338733
1068227707
1135570539
121aa23763
131119ac32
1490c0479
155eca93c
hex411127b

68227707 has 8 divisors (see below), whose sum is σ = 92461840. Its totient is φ = 44739360.

The previous prime is 68227703. The next prime is 68227711. The reversal of 68227707 is 70772286.

It is an interprime number because it is at equal distance from previous prime (68227703) and next prime (68227711).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68227707 - 22 = 68227703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68227703) 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 7 ways as a sum of consecutive naturals, for example, 186232 + ... + 186597.

It is an arithmetic number, because the mean of its divisors is an integer number (11557730).

Almost surely, 268227707 is an apocalyptic number.

68227707 is a deficient number, since it is larger than the sum of its proper divisors (24234133).

68227707 is a wasteful number, since it uses less digits than its factorization.

68227707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372893.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 68227707 is about 8260.0064769950. The cubic root of 68227707 is about 408.6206013357.

The spelling of 68227707 in words is "sixty-eight million, two hundred twenty-seven thousand, seven hundred seven".

Divisors: 1 3 61 183 372829 1118487 22742569 68227707