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68369301 = 32711137589
BaseRepresentation
bin1000001001100…
…11101110010101
311202122112001100
410010303232111
5120000304201
610441220313
71460062260
oct404635625
9152575040
1068369301
1135657960
121aa91699
131121a510
149119cd7
156007886
hex4133b95

68369301 has 48 divisors (see below), whose sum is σ = 132612480. Its totient is φ = 32780160.

The previous prime is 68369251. The next prime is 68369321. The reversal of 68369301 is 10396386.

It is a happy number.

It is not a de Polignac number, because 68369301 - 213 = 68361109 is a prime.

It is a super-2 number, since 2×683693012 = 9348722638457202, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68369321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5215 + ... + 12803.

It is an arithmetic number, because the mean of its divisors is an integer number (2762760).

Almost surely, 268369301 is an apocalyptic number.

It is an amenable number.

68369301 is a deficient number, since it is larger than the sum of its proper divisors (64243179).

68369301 is a wasteful number, since it uses less digits than its factorization.

68369301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7626 (or 7623 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 68369301 is about 8268.5730933457. The cubic root of 68369301 is about 408.9030782031.

The spelling of 68369301 in words is "sixty-eight million, three hundred sixty-nine thousand, three hundred one".

Divisors: 1 3 7 9 11 13 21 33 39 63 77 91 99 117 143 231 273 429 693 819 1001 1287 3003 7589 9009 22767 53123 68301 83479 98657 159369 250437 295971 478107 584353 690599 751311 887913 1085227 1753059 2071797 3255681 5259177 6215391 7596589 9767043 22789767 68369301