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194293201 is a prime number
BaseRepresentation
bin10111001010010…
…10110111010001
3111112121010011111
423211022313101
5344214340301
631140213321
74546315324
oct1345126721
9445533144
10194293201
119a7453a3
125509a241
13313398bb
141bb387bb
15120cd551
hexb94add1

194293201 has 2 divisors, whose sum is σ = 194293202. Its totient is φ = 194293200.

The previous prime is 194293199. The next prime is 194293247. The reversal of 194293201 is 102392491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172948801 + 21344400 = 13151^2 + 4620^2 .

It is an emirp because it is prime and its reverse (102392491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194293201 - 21 = 194293199 is a prime.

Together with 194293199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (194293261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97146600 + 97146601.

It is an arithmetic number, because the mean of its divisors is an integer number (97146601).

Almost surely, 2194293201 is an apocalyptic number.

It is an amenable number.

194293201 is a deficient number, since it is larger than the sum of its proper divisors (1).

194293201 is an equidigital number, since it uses as much as digits as its factorization.

194293201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 194293201 is about 13938.9096058479. The cubic root of 194293201 is about 579.1875276880.

The spelling of 194293201 in words is "one hundred ninety-four million, two hundred ninety-three thousand, two hundred one".