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195213229 = 1992813491
BaseRepresentation
bin10111010001010…
…11011110101101
3111121022212012121
423220223132231
5344433310404
631212032541
74560166531
oct1350533655
9447285177
10195213229
11a0213652
1255462751
133159c5b3
141bcd7bc1
1512210e54
hexba2b7ad

195213229 has 8 divisors (see below), whose sum is σ = 196948800. Its totient is φ = 193485600.

The previous prime is 195213209. The next prime is 195213233. The reversal of 195213229 is 922312591.

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

It is a cyclic number.

It is not a de Polignac number, because 195213229 - 219 = 194688941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 195213194 and 195213203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195213209) 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 7 ways as a sum of consecutive naturals, for example, 54174 + ... + 57664.

It is an arithmetic number, because the mean of its divisors is an integer number (24618600).

Almost surely, 2195213229 is an apocalyptic number.

It is an amenable number.

195213229 is a deficient number, since it is larger than the sum of its proper divisors (1735571).

195213229 is a wasteful number, since it uses less digits than its factorization.

195213229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971.

The product of its digits is 9720, while the sum is 34.

The square root of 195213229 is about 13971.8727806977. The cubic root of 195213229 is about 580.1002888410.

The spelling of 195213229 in words is "one hundred ninety-five million, two hundred thirteen thousand, two hundred twenty-nine".

Divisors: 1 199 281 3491 55919 694709 980971 195213229