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670232448 = 27331959173
BaseRepresentation
bin100111111100101…
…110111110000000
31201201011100002000
4213330232332000
52333034414243
6150301224000
722415611314
oct4774567600
91651140060
10670232448
11314368616
12168562000
13a8b19162
1465029b44
153dc925d3
hex27f2ef80

670232448 has 256 divisors, whose sum is σ = 2129760000. Its totient is φ = 206862336.

The previous prime is 670232441. The next prime is 670232501. The reversal of 670232448 is 844232076.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670232441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3874090 + ... + 3874262.

It is an arithmetic number, because the mean of its divisors is an integer number (8319375).

Almost surely, 2670232448 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 670232448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064880000).

670232448 is an abundant number, since it is smaller than the sum of its proper divisors (1459527552).

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

670232448 is a wasteful number, since it uses less digits than its factorization.

670232448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 670232448 is about 25888.8479465580. The cubic root of 670232448 is about 875.1351945661.

The spelling of 670232448 in words is "six hundred seventy million, two hundred thirty-two thousand, four hundred forty-eight".