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69228135 = 3351932657
BaseRepresentation
bin1000010000001…
…01011001100111
311211021011011000
410020011121213
5120210300020
610511444343
71500300204
oct410053147
9154234130
1069228135
1136094139
121b2266b3
131145b3c2
1492a0cab
156127090
hex4205667

69228135 has 32 divisors (see below), whose sum is σ = 123756480. Its totient is φ = 36716544.

The previous prime is 69228113. The next prime is 69228139. The reversal of 69228135 is 53182296.

It is not a de Polignac number, because 69228135 - 27 = 69228007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69228135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69228139) 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 31 ways as a sum of consecutive naturals, for example, 24727 + ... + 27383.

It is an arithmetic number, because the mean of its divisors is an integer number (3867390).

Almost surely, 269228135 is an apocalyptic number.

69228135 is a deficient number, since it is larger than the sum of its proper divisors (54528345).

69228135 is a wasteful number, since it uses less digits than its factorization.

69228135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864 (or 2858 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 69228135 is about 8320.3446443041. The cubic root of 69228135 is about 410.6081298713.

The spelling of 69228135 in words is "sixty-nine million, two hundred twenty-eight thousand, one hundred thirty-five".

Divisors: 1 3 5 9 15 27 45 135 193 579 965 1737 2657 2895 5211 7971 8685 13285 23913 26055 39855 71739 119565 358695 512801 1538403 2564005 4615209 7692015 13845627 23076045 69228135