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68983222 = 2711447943
BaseRepresentation
bin1000001110010…
…01100110110110
311210210201012011
410013021212312
5120124430342
610502314434
71465230160
oct407114666
9153721164
1068983222
1135a37130
121b128a1a
13113a3a99
149239930
1560c9717
hex41c99b6

68983222 has 16 divisors (see below), whose sum is σ = 129007872. Its totient is φ = 26876520.

The previous prime is 68983219. The next prime is 68983237. The reversal of 68983222 is 22238986.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 223818 + ... + 224125.

It is an arithmetic number, because the mean of its divisors is an integer number (8062992).

Almost surely, 268983222 is an apocalyptic number.

68983222 is a deficient number, since it is larger than the sum of its proper divisors (60024650).

68983222 is a wasteful number, since it uses less digits than its factorization.

68983222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447963.

The product of its digits is 82944, while the sum is 40.

The square root of 68983222 is about 8305.6138845964. The cubic root of 68983222 is about 410.1233457955.

The spelling of 68983222 in words is "sixty-eight million, nine hundred eighty-three thousand, two hundred twenty-two".

Divisors: 1 2 7 11 14 22 77 154 447943 895886 3135601 4927373 6271202 9854746 34491611 68983222