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68245406 = 255016203
BaseRepresentation
bin1000001000101…
…01011110011110
311202102020002122
410010111132132
5114432323111
610434422542
71456035125
oct404253636
9152366078
1068245406
1135582869
121aa31a52
13111a5cc8
1490c6abc
155ed0cdb
hex411579e

68245406 has 8 divisors (see below), whose sum is σ = 102403224. Its totient is φ = 34111000.

The previous prime is 68245403. The next prime is 68245421. The reversal of 68245406 is 60454286.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68245403) 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 3 ways as a sum of consecutive naturals, for example, 7901 + ... + 14103.

It is an arithmetic number, because the mean of its divisors is an integer number (12800403).

Almost surely, 268245406 is an apocalyptic number.

68245406 is a deficient number, since it is larger than the sum of its proper divisors (34157818).

68245406 is a wasteful number, since it uses less digits than its factorization.

68245406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11706.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 68245406 is about 8261.0777747216. The cubic root of 68245406 is about 408.6559318051.

The spelling of 68245406 in words is "sixty-eight million, two hundred forty-five thousand, four hundred six".

Divisors: 1 2 5501 6203 11002 12406 34122703 68245406