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68332146 = 2317669923
BaseRepresentation
bin1000001001010…
…10101001110010
311202120122002020
410010222221302
5114443112041
610440332310
71456546041
oct404525162
9152518066
1068332146
1135631a53
121aa74096
131120662c
14910a558
155eeb866
hex412aa72

68332146 has 16 divisors (see below), whose sum is σ = 144703584. Its totient is φ = 21437504.

The previous prime is 68332127. The next prime is 68332171. The reversal of 68332146 is 64123386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334860 + ... + 335063.

It is an arithmetic number, because the mean of its divisors is an integer number (9043974).

Almost surely, 268332146 is an apocalyptic number.

68332146 is an abundant number, since it is smaller than the sum of its proper divisors (76371438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68332146 is a wasteful number, since it uses less digits than its factorization.

68332146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669945.

The product of its digits is 20736, while the sum is 33.

The square root of 68332146 is about 8266.3260279280. The cubic root of 68332146 is about 408.8289925797.

The spelling of 68332146 in words is "sixty-eight million, three hundred thirty-two thousand, one hundred forty-six".

Divisors: 1 2 3 6 17 34 51 102 669923 1339846 2009769 4019538 11388691 22777382 34166073 68332146