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68366401 = 175717043
BaseRepresentation
bin1000001001100…
…11000001000001
311202122101001221
410010303001001
5120000211101
610441155041
71460050645
oct404630101
9152571057
1068366401
1135655764
121aa8ba81
13112190bc
149118c25
156006aa1
hex4133041

68366401 has 8 divisors (see below), whose sum is σ = 72525024. Its totient is φ = 64223040.

The previous prime is 68366383. The next prime is 68366413. The reversal of 68366401 is 10466386.

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

It is a cyclic number.

It is not a de Polignac number, because 68366401 - 27 = 68366273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68366201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6186 + ... + 13228.

It is an arithmetic number, because the mean of its divisors is an integer number (9065628).

Almost surely, 268366401 is an apocalyptic number.

It is an amenable number.

68366401 is a deficient number, since it is larger than the sum of its proper divisors (4158623).

68366401 is a wasteful number, since it uses less digits than its factorization.

68366401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 68366401 is about 8268.3977287017. The cubic root of 68366401 is about 408.8972966819.

The spelling of 68366401 in words is "sixty-eight million, three hundred sixty-six thousand, four hundred one".

Divisors: 1 17 571 7043 9707 119731 4021553 68366401