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69440896 = 277194079
BaseRepresentation
bin1000010001110…
…01010110000000
311211122222000001
410020321112000
5120234102041
610520205344
71502144410
oct410712600
9154588001
1069440896
1136219a78
121b309854
13115041b5
149318640
15616a131
hex4239580

69440896 has 64 divisors (see below), whose sum is σ = 166464000. Its totient is φ = 28187136.

The previous prime is 69440881. The next prime is 69440927. The reversal of 69440896 is 69804496.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14985 + ... + 19063.

It is an arithmetic number, because the mean of its divisors is an integer number (2601000).

Almost surely, 269440896 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 69440896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83232000).

69440896 is an abundant number, since it is smaller than the sum of its proper divisors (97023104).

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

69440896 is a wasteful number, since it uses less digits than its factorization.

69440896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119 (or 4107 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 69440896 is about 8333.1204239468. The cubic root of 69440896 is about 411.0283446293.

The spelling of 69440896 in words is "sixty-nine million, four hundred forty thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 64 76 112 128 133 152 224 266 304 448 532 608 896 1064 1216 2128 2432 4079 4256 8158 8512 16316 17024 28553 32632 57106 65264 77501 114212 130528 155002 228424 261056 310004 456848 522112 542507 620008 913696 1085014 1240016 1827392 2170028 2480032 3654784 4340056 4960064 8680112 9920128 17360224 34720448 69440896