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69426808 = 2311788941
BaseRepresentation
bin1000010001101…
…01111001111000
311211122020200021
410020311321320
5120233124213
610520020224
71502055343
oct410657170
9154566607
1069426808
113620a430
121b301674
13114ca969
14931345a
156165d8d
hex4235e78

69426808 has 16 divisors (see below), whose sum is σ = 142009560. Its totient is φ = 31557600.

The previous prime is 69426769. The next prime is 69426823. The reversal of 69426808 is 80862496.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 394383 + ... + 394558.

Almost surely, 269426808 is an apocalyptic number.

It is an amenable number.

69426808 is an abundant number, since it is smaller than the sum of its proper divisors (72582752).

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

69426808 is a wasteful number, since it uses less digits than its factorization.

69426808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788958 (or 788954 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 69426808 is about 8332.2750794726. The cubic root of 69426808 is about 411.0005466059. Note that the first 3 decimals are identical.

The spelling of 69426808 in words is "sixty-nine million, four hundred twenty-six thousand, eight hundred eight".

Divisors: 1 2 4 8 11 22 44 88 788941 1577882 3155764 6311528 8678351 17356702 34713404 69426808