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68301377 = 1511992273
BaseRepresentation
bin1000001001000…
…11001001000001
311202112001212122
410010203021001
5114441121002
610435534025
71456360244
oct404431101
9152461778
1068301377
1135610921
121aa5a315
13111c5621
1490dd25b
155ee26a2
hex4123241

68301377 has 8 divisors (see below), whose sum is σ = 69129600. Its totient is φ = 67478400.

The previous prime is 68301353. The next prime is 68301383. The reversal of 68301377 is 77310386.

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 68301377 - 26 = 68301313 is a prime.

It is a super-2 number, since 2×683013772 = 9330156200192258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68301347) 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, 28913 + ... + 31185.

It is an arithmetic number, because the mean of its divisors is an integer number (8641200).

Almost surely, 268301377 is an apocalyptic number.

It is an amenable number.

68301377 is a deficient number, since it is larger than the sum of its proper divisors (828223).

68301377 is a wasteful number, since it uses less digits than its factorization.

68301377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 68301377 is about 8264.4647134585. The cubic root of 68301377 is about 408.7676200605.

Subtracting 68301377 from its reverse (77310386), we obtain a palindrome (9009009).

The spelling of 68301377 in words is "sixty-eight million, three hundred one thousand, three hundred seventy-seven".

Divisors: 1 151 199 2273 30049 343223 452327 68301377