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68468473 = 522713099
BaseRepresentation
bin1000001010010…
…11111011111001
311202211120002101
410011023323321
5120011442343
610443303401
71460654353
oct405137371
9152746071
1068468473
1135715417
121ab1ab61
13112536b8
1491440d3
156026e4d
hex414bef9

68468473 has 4 divisors (see below), whose sum is σ = 68486800. Its totient is φ = 68450148.

The previous prime is 68468471. The next prime is 68468479. The reversal of 68468473 is 37486486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68468473 - 21 = 68468471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68468471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323 + ... + 11776.

It is an arithmetic number, because the mean of its divisors is an integer number (17121700).

Almost surely, 268468473 is an apocalyptic number.

It is an amenable number.

68468473 is a deficient number, since it is larger than the sum of its proper divisors (18327).

68468473 is a wasteful number, since it uses less digits than its factorization.

68468473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18326.

The product of its digits is 774144, while the sum is 46.

The square root of 68468473 is about 8274.5678437004. The cubic root of 68468473 is about 409.1006919666.

It can be divided in two parts, 6846847 and 3, that added together give a triangular number (6846850 = T3700).

The spelling of 68468473 in words is "sixty-eight million, four hundred sixty-eight thousand, four hundred seventy-three".

Divisors: 1 5227 13099 68468473