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69227140 = 2253461357
BaseRepresentation
bin1000010000001…
…01001010000100
311211021002210011
410020011022010
5120210232030
610511440004
71500264253
oct410051204
9154232704
1069227140
1136093414
121b226004
131145ab08
1492a079a
156126b2a
hex4205284

69227140 has 12 divisors (see below), whose sum is σ = 145377036. Its totient is φ = 27690848.

The previous prime is 69227129. The next prime is 69227159. The reversal of 69227140 is 4172296.

It can be written as a sum of positive squares in 2 ways, for example, as 53114944 + 16112196 = 7288^2 + 4014^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1730659 + ... + 1730698.

It is an arithmetic number, because the mean of its divisors is an integer number (12114753).

Almost surely, 269227140 is an apocalyptic number.

It is an amenable number.

69227140 is an abundant number, since it is smaller than the sum of its proper divisors (76149896).

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

69227140 is a wasteful number, since it uses less digits than its factorization.

69227140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461366 (or 3461364 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 69227140 is about 8320.2848508930. The cubic root of 69227140 is about 410.6061626700.

The spelling of 69227140 in words is "sixty-nine million, two hundred twenty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 3461357 6922714 13845428 17306785 34613570 69227140