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68484229 = 116225839
BaseRepresentation
bin1000001010011…
…11110010000101
311202212100200221
410011033302011
5120012443404
610443504341
71461051322
oct405176205
9152770627
1068484229
1135726240
121ab280b1
131125a918
149149b49
15602b954
hex414fc85

68484229 has 4 divisors (see below), whose sum is σ = 74710080. Its totient is φ = 62258380.

The previous prime is 68484209. The next prime is 68484263. The reversal of 68484229 is 92248486.

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 68484229 - 25 = 68484197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68484209) 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, 3112909 + ... + 3112930.

It is an arithmetic number, because the mean of its divisors is an integer number (18677520).

Almost surely, 268484229 is an apocalyptic number.

It is an amenable number.

68484229 is a deficient number, since it is larger than the sum of its proper divisors (6225851).

68484229 is a wasteful number, since it uses less digits than its factorization.

68484229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225850.

The product of its digits is 221184, while the sum is 43.

The square root of 68484229 is about 8275.5198628243. The cubic root of 68484229 is about 409.1320703799.

The spelling of 68484229 in words is "sixty-eight million, four hundred eighty-four thousand, two hundred twenty-nine".

Divisors: 1 11 6225839 68484229