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195280755 = 3513018717
BaseRepresentation
bin10111010001110…
…11111101110011
3111121110021211120
423220323331303
5344442441010
631213313323
74560600435
oct1350737563
9447407746
10195280755
11a025a35a
1255495843
13315c4257
141bd14655
1512225e70
hexba3bf73

195280755 has 8 divisors (see below), whose sum is σ = 312449232. Its totient is φ = 104149728.

The previous prime is 195280753. The next prime is 195280763. The reversal of 195280755 is 557082591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 195280755 - 21 = 195280753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195280753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6509344 + ... + 6509373.

It is an arithmetic number, because the mean of its divisors is an integer number (39056154).

Almost surely, 2195280755 is an apocalyptic number.

195280755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195280755 is a deficient number, since it is larger than the sum of its proper divisors (117168477).

195280755 is a wasteful number, since it uses less digits than its factorization.

195280755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13018725.

The product of its (nonzero) digits is 126000, while the sum is 42.

The square root of 195280755 is about 13974.2890695735. The cubic root of 195280755 is about 580.1671684211.

The spelling of 195280755 in words is "one hundred ninety-five million, two hundred eighty thousand, seven hundred fifty-five".

Divisors: 1 3 5 15 13018717 39056151 65093585 195280755