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68174223 = 3131992003
BaseRepresentation
bin1000001000001…
…00000110001111
311202021121110020
410010010012033
5114423033343
610433113223
71455320445
oct404040617
9152247406
1068174223
1135534337
121a9b8813
131117c7a0
1490a8b95
155eb9b83
hex410418f

68174223 has 16 divisors (see below), whose sum is σ = 103044480. Its totient is φ = 39744864.

The previous prime is 68174213. The next prime is 68174237. The reversal of 68174223 is 32247186.

It is not a de Polignac number, because 68174223 - 24 = 68174207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68174213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45261 + ... + 46742.

It is an arithmetic number, because the mean of its divisors is an integer number (6440280).

Almost surely, 268174223 is an apocalyptic number.

68174223 is a deficient number, since it is larger than the sum of its proper divisors (34870257).

68174223 is a wasteful number, since it uses less digits than its factorization.

68174223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92038.

The product of its digits is 16128, while the sum is 33.

The square root of 68174223 is about 8256.7683145405. The cubic root of 68174223 is about 408.5138002606.

The spelling of 68174223 in words is "sixty-eight million, one hundred seventy-four thousand, two hundred twenty-three".

Divisors: 1 3 13 19 39 57 247 741 92003 276009 1196039 1748057 3588117 5244171 22724741 68174223