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194248271 = 723252457
BaseRepresentation
bin10111001001111…
…11111001001111
3111112111211112102
423210333321033
5344211421041
631135225315
74546040330
oct1344777117
9445454472
10194248271
119a714668
125507823b
1331322309
141bb26287
15120c009b
hexb93fe4f

194248271 has 12 divisors (see below), whose sum is σ = 232074192. Its totient is φ = 159256416.

The previous prime is 194248253. The next prime is 194248289. The reversal of 194248271 is 172842491.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (194248253) and next prime (194248289).

It is not a de Polignac number, because 194248271 - 26 = 194248207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194248231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22526 + ... + 29931.

It is an arithmetic number, because the mean of its divisors is an integer number (19339516).

Almost surely, 2194248271 is an apocalyptic number.

194248271 is a deficient number, since it is larger than the sum of its proper divisors (37825921).

194248271 is an equidigital number, since it uses as much as digits as its factorization.

194248271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52510 (or 52487 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 194248271 is about 13937.2978370988. The cubic root of 194248271 is about 579.1428788417.

The spelling of 194248271 in words is "one hundred ninety-four million, two hundred forty-eight thousand, two hundred seventy-one".

Divisors: 1 7 23 161 529 3703 52457 367199 1206511 8445577 27749753 194248271