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69065216 = 291112263
BaseRepresentation
bin1000001110111…
…01101000000000
311210221212122222
410013131220000
5120140041331
610504150212
71466021213
oct407355000
9153855588
1069065216
1135a927a0
121b168368
13114021bc
14925b77a
1560e3b7b
hex41dda00

69065216 has 40 divisors (see below), whose sum is σ = 150552864. Its totient is φ = 31390720.

The previous prime is 69065207. The next prime is 69065221. The reversal of 69065216 is 61256096.

It is a happy number.

It is a super-2 number, since 2×690652162 = 9540008122253312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500 + ... + 11763.

Almost surely, 269065216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69065216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75276432).

69065216 is an abundant number, since it is smaller than the sum of its proper divisors (81487648).

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

69065216 is a wasteful number, since it uses less digits than its factorization.

69065216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12292 (or 12276 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 69065216 is about 8310.5484776879. The cubic root of 69065216 is about 410.2857734026.

The spelling of 69065216 in words is "sixty-nine million, sixty-five thousand, two hundred sixteen".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 512 704 1408 2816 5632 12263 24526 49052 98104 134893 196208 269786 392416 539572 784832 1079144 1569664 2158288 3139328 4316576 6278656 8633152 17266304 34532608 69065216