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194951045 = 559660851
BaseRepresentation
bin10111001111010…
…11011110000101
3111120211112120002
423213223132011
5344401413140
631202251045
74555025252
oct1347533605
9446745502
10194951045
11a0054673
1255356a85
133150a163
141bc6a429
15121ad415
hexb9eb785

194951045 has 8 divisors (see below), whose sum is σ = 237906720. Its totient is φ = 153317200.

The previous prime is 194951027. The next prime is 194951047. The reversal of 194951045 is 540159491.

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

It is a de Polignac number, because none of the positive numbers 2k-194951045 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194951047) 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, 330131 + ... + 330720.

It is an arithmetic number, because the mean of its divisors is an integer number (29738340).

Almost surely, 2194951045 is an apocalyptic number.

It is an amenable number.

194951045 is a deficient number, since it is larger than the sum of its proper divisors (42955675).

194951045 is an equidigital number, since it uses as much as digits as its factorization.

194951045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660915.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 194951045 is about 13962.4870635571. The cubic root of 194951045 is about 579.8404684111.

The spelling of 194951045 in words is "one hundred ninety-four million, nine hundred fifty-one thousand, forty-five".

Divisors: 1 5 59 295 660851 3304255 38990209 194951045