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195533242 = 297766621
BaseRepresentation
bin10111010011110…
…01100110111010
3111121221010011221
423221321212322
5400024030432
631222542254
74563001522
oct1351714672
9447833157
10195533242
11a0412023
125559798a
1331682158
141bd7c682
1512275b97
hexba799ba

195533242 has 4 divisors (see below), whose sum is σ = 293299866. Its totient is φ = 97766620.

The previous prime is 195533231. The next prime is 195533249. The reversal of 195533242 is 242335591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242335591 = 817929629.

It can be written as a sum of positive squares in only one way, i.e., 121418361 + 74114881 = 11019^2 + 8609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 195533198 and 195533207.

It is not an unprimeable number, because it can be changed into a prime (195533249) 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 as a sum of consecutive naturals, namely, 48883309 + ... + 48883312.

Almost surely, 2195533242 is an apocalyptic number.

195533242 is a deficient number, since it is larger than the sum of its proper divisors (97766624).

195533242 is an equidigital number, since it uses as much as digits as its factorization.

195533242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97766623.

The product of its digits is 32400, while the sum is 34.

The square root of 195533242 is about 13983.3201350752. The cubic root of 195533242 is about 580.4171018755.

The spelling of 195533242 in words is "one hundred ninety-five million, five hundred thirty-three thousand, two hundred forty-two".

Divisors: 1 2 97766621 195533242