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378675648 = 2635131873
BaseRepresentation
bin10110100100100…
…010000111000000
3222101112201100000
4112210202013000
51233420110043
6101324200000
712245455431
oct2644420700
9871481300
10378675648
1118483068a
12a6999000
13605b6440
1438413488
15233a02d3
hex169221c0

378675648 has 168 divisors, whose sum is σ = 1212837808. Its totient is φ = 116453376.

The previous prime is 378675637. The next prime is 378675659. The reversal of 378675648 is 846576873.

378675648 is a `hidden beast` number, since 3 + 78 + 6 + 7 + 564 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (378675637) and next prime (378675659).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 378675594 and 378675603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201240 + ... + 203112.

Almost surely, 2378675648 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 378675648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606418904).

378675648 is an abundant number, since it is smaller than the sum of its proper divisors (834162160).

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

378675648 is a wasteful number, since it uses less digits than its factorization.

378675648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913 (or 1891 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 378675648 is about 19459.5901292910. The cubic root of 378675648 is about 723.4732185494.

The spelling of 378675648 in words is "three hundred seventy-eight million, six hundred seventy-five thousand, six hundred forty-eight".