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195475061 = 1789129197
BaseRepresentation
bin10111010011010…
…11011001110101
3111121211011101002
423221223121311
5400020200221
631221413045
74562340065
oct1351533165
9447734332
10195475061
11a0382341
125556a185
1331661822
141bd653a5
151226380b
hexba6b675

195475061 has 8 divisors (see below), whose sum is σ = 209300760. Its totient is φ = 181907968.

The previous prime is 195475039. The next prime is 195475067. The reversal of 195475061 is 160574591.

It can be written as a sum of positive squares in 4 ways, for example, as 49210225 + 146264836 = 7015^2 + 12094^2 .

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 195475061 - 26 = 195474997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195475067) 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, 63086 + ... + 66111.

It is an arithmetic number, because the mean of its divisors is an integer number (26162595).

Almost surely, 2195475061 is an apocalyptic number.

It is an amenable number.

195475061 is a deficient number, since it is larger than the sum of its proper divisors (13825699).

195475061 is a wasteful number, since it uses less digits than its factorization.

195475061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129303.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 195475061 is about 13981.2396088473. The cubic root of 195475061 is about 580.3595283789.

The spelling of 195475061 in words is "one hundred ninety-five million, four hundred seventy-five thousand, sixty-one".

Divisors: 1 17 89 1513 129197 2196349 11498533 195475061