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69256868 = 2217314217
BaseRepresentation
bin1000010000011…
…00011010100100
311211022121120012
410020030122210
5120212204433
610512225352
71500450032
oct410143244
9154277505
1069256868
113610378a
121b23b258
131146b4c5
1492ab552
156130848
hex420c6a4

69256868 has 6 divisors (see below), whose sum is σ = 121199526. Its totient is φ = 34628432.

The previous prime is 69256867. The next prime is 69256877. The reversal of 69256868 is 86865296.

It can be written as a sum of positive squares in only one way, i.e., 67535524 + 1721344 = 8218^2 + 1312^2 .

It is not an unprimeable number, because it can be changed into a prime (69256867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8657105 + ... + 8657112.

It is an arithmetic number, because the mean of its divisors is an integer number (20199921).

Almost surely, 269256868 is an apocalyptic number.

It is an amenable number.

69256868 is a deficient number, since it is larger than the sum of its proper divisors (51942658).

69256868 is a wasteful number, since it uses less digits than its factorization.

69256868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17314221 (or 17314219 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 69256868 is about 8322.0711364419. The cubic root of 69256868 is about 410.6649293769.

The spelling of 69256868 in words is "sixty-nine million, two hundred fifty-six thousand, eight hundred sixty-eight".

Divisors: 1 2 4 17314217 34628434 69256868