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195485297 = 761676833
BaseRepresentation
bin10111010011011…
…01111001110001
3111121211200102012
423221231321301
5400021012142
631221532305
74562411660
oct1351557161
9447750365
10195485297
11a0389aa7
1255574095
1331666397
141bd68dd7
1512266882
hexba6de71

195485297 has 16 divisors (see below), whose sum is σ = 230497152. Its totient is φ = 162328320.

The previous prime is 195485293. The next prime is 195485321. The reversal of 195485297 is 792584591.

It is not a de Polignac number, because 195485297 - 22 = 195485293 is a prime.

It is a super-3 number, since 3×1954852973 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (195485293) 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 15 ways as a sum of consecutive naturals, for example, 25193 + ... + 32025.

It is an arithmetic number, because the mean of its divisors is an integer number (14406072).

Almost surely, 2195485297 is an apocalyptic number.

It is an amenable number.

195485297 is a deficient number, since it is larger than the sum of its proper divisors (35011855).

195485297 is an equidigital number, since it uses as much as digits as its factorization.

195485297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968.

The product of its digits is 907200, while the sum is 50.

The square root of 195485297 is about 13981.6056660170. The cubic root of 195485297 is about 580.3696583266.

The spelling of 195485297 in words is "one hundred ninety-five million, four hundred eighty-five thousand, two hundred ninety-seven".

Divisors: 1 7 61 67 427 469 4087 6833 28609 47831 416813 457811 2917691 3204677 27926471 195485297