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68213022 = 23103111027
BaseRepresentation
bin1000001000011…
…01100100011110
311202100120200020
410010031210132
5114430304042
610434013010
71455541533
oct404154436
9152316606
1068213022
11355604a9
121aa17166
1311194347
1490b8d8a
155ec63ec
hex410d91e

68213022 has 16 divisors (see below), whose sum is σ = 136570752. Its totient is φ = 22713560.

The previous prime is 68212997. The next prime is 68213039. The reversal of 68213022 is 22031286.

It is a junction number, because it is equal to n+sod(n) for n = 68212983 and 68213001.

It is a congruent number.

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, 673 + ... + 11699.

It is an arithmetic number, because the mean of its divisors is an integer number (8535672).

Almost surely, 268213022 is an apocalyptic number.

68213022 is an abundant number, since it is smaller than the sum of its proper divisors (68357730).

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

68213022 is a wasteful number, since it uses less digits than its factorization.

68213022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12063.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 68213022 is about 8259.1175073370. The cubic root of 68213022 is about 408.5912827282.

The spelling of 68213022 in words is "sixty-eight million, two hundred thirteen thousand, twenty-two".

Divisors: 1 2 3 6 1031 2062 3093 6186 11027 22054 33081 66162 11368837 22737674 34106511 68213022