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68972822 = 2536110667
BaseRepresentation
bin1000001110001…
…11000100010110
311210210011220222
410013013010112
5120124112242
610502154342
71465154642
oct407070426
9153704828
1068972822
1135a2a336
121b1229b2
131139c129
149235c22
1560c65d2
hex41c7116

68972822 has 16 divisors (see below), whose sum is σ = 107149392. Its totient is φ = 33277920.

The previous prime is 68972821. The next prime is 68972857. The reversal of 68972822 is 22827986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68972821) by changing a digit.

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, 1133 + ... + 11799.

It is an arithmetic number, because the mean of its divisors is an integer number (6696837).

Almost surely, 268972822 is an apocalyptic number.

68972822 is a deficient number, since it is larger than the sum of its proper divisors (38176570).

68972822 is a wasteful number, since it uses less digits than its factorization.

68972822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10783.

The product of its digits is 193536, while the sum is 44.

The square root of 68972822 is about 8304.9877784377. The cubic root of 68972822 is about 410.1027345172.

The spelling of 68972822 in words is "sixty-eight million, nine hundred seventy-two thousand, eight hundred twenty-two".

Divisors: 1 2 53 61 106 122 3233 6466 10667 21334 565351 650687 1130702 1301374 34486411 68972822