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68579377 = 1723916879
BaseRepresentation
bin1000001011001…
…11000000110001
311210001012012221
410011213000301
5120024020002
610445521041
71461625606
oct405470061
9153035187
1068579377
1135790779
121ab73181
1311292019
1491726ad
156049c37
hex4167031

68579377 has 8 divisors (see below), whose sum is σ = 72921600. Its totient is φ = 64271424.

The previous prime is 68579359. The next prime is 68579387. The reversal of 68579377 is 77397586.

It is a happy number.

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

It is not a de Polignac number, because 68579377 - 27 = 68579249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68579387) 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, 4377 + ... + 12502.

It is an arithmetic number, because the mean of its divisors is an integer number (9115200).

Almost surely, 268579377 is an apocalyptic number.

It is an amenable number.

68579377 is a deficient number, since it is larger than the sum of its proper divisors (4342223).

68579377 is a wasteful number, since it uses less digits than its factorization.

68579377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17135.

The product of its digits is 2222640, while the sum is 52.

The square root of 68579377 is about 8281.2666301720. The cubic root of 68579377 is about 409.3214574575.

The spelling of 68579377 in words is "sixty-eight million, five hundred seventy-nine thousand, three hundred seventy-seven".

Divisors: 1 17 239 4063 16879 286943 4034081 68579377