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197830768 = 24175313723
BaseRepresentation
bin10111100101010…
…10100001110000
3111210020211210111
423302222201300
5401121041033
631344111104
74621351042
oct1362524160
9453224714
10197830768
11a1741203
1256305494
1331ca7b35
141c3b9a92
151257b7cd
hexbcaa870

197830768 has 40 divisors (see below), whose sum is σ = 413531568. Its totient is φ = 91333632.

The previous prime is 197830729. The next prime is 197830769. The reversal of 197830768 is 867038791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197830769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7555 + ... + 21277.

Almost surely, 2197830768 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 197830768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206765784).

197830768 is an abundant number, since it is smaller than the sum of its proper divisors (215700800).

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

197830768 is a wasteful number, since it uses less digits than its factorization.

197830768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13801 (or 13795 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 197830768 is about 14065.2325967259. The cubic root of 197830768 is about 582.6815663189.

The spelling of 197830768 in words is "one hundred ninety-seven million, eight hundred thirty thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 17 34 53 68 106 136 212 272 424 848 901 1802 3604 7208 13723 14416 27446 54892 109784 219568 233291 466582 727319 933164 1454638 1866328 2909276 3732656 5818552 11637104 12364423 24728846 49457692 98915384 197830768