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42648064 = 29312687
BaseRepresentation
bin1010001010110…
…0001000000000
32222020202010221
42202230020000
541404214224
64122032424
71025334244
oct242541000
988222127
1042648064
112208a138
1212348714
138ab2c54
145942424
153b266e4
hex28ac200

42648064 has 40 divisors (see below), whose sum is σ = 87994368. Its totient is φ = 20628480.

The previous prime is 42648059. The next prime is 42648107. The reversal of 42648064 is 46084624.

It is a happy number.

It is a congruent number.

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, 14529 + ... + 17215.

Almost surely, 242648064 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 42648064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43997184).

42648064 is an abundant number, since it is smaller than the sum of its proper divisors (45346304).

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

42648064 is an equidigital number, since it uses as much as digits as its factorization.

42648064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736 (or 2720 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 42648064 is about 6530.5485221381. The cubic root of 42648064 is about 349.3813943678.

The spelling of 42648064 in words is "forty-two million, six hundred forty-eight thousand, sixty-four".

Divisors: 1 2 4 8 16 31 32 62 64 124 128 248 256 496 512 992 1984 2687 3968 5374 7936 10748 15872 21496 42992 83297 85984 166594 171968 333188 343936 666376 687872 1332752 1375744 2665504 5331008 10662016 21324032 42648064