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68589519 = 323994051
BaseRepresentation
bin1000001011010…
…01011111001111
311210001201010120
410011221133033
5120024331034
610450040023
71462000305
oct405513717
9153051116
1068589519
1135798359
121ab79013
131129681b
149176275
15604cc49
hex41697cf

68589519 has 8 divisors (see below), whose sum is σ = 95428992. Its totient is φ = 43738200.

The previous prime is 68589491. The next prime is 68589523. The reversal of 68589519 is 91598586.

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

It is not a de Polignac number, because 68589519 - 211 = 68587471 is a prime.

It is a super-2 number, since 2×685895192 = 9409044233302722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68589589) 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, 496957 + ... + 497094.

It is an arithmetic number, because the mean of its divisors is an integer number (11928624).

Almost surely, 268589519 is an apocalyptic number.

68589519 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

68589519 is a deficient number, since it is larger than the sum of its proper divisors (26839473).

68589519 is a wasteful number, since it uses less digits than its factorization.

68589519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994077.

The product of its digits is 777600, while the sum is 51.

The square root of 68589519 is about 8281.8789534743. The cubic root of 68589519 is about 409.3416342404.

The spelling of 68589519 in words is "sixty-eight million, five hundred eighty-nine thousand, five hundred nineteen".

Divisors: 1 3 23 69 994051 2982153 22863173 68589519