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194137254 = 23212378719
BaseRepresentation
bin10111001001001…
…00110010100110
3111112022012020200
423210210302212
5344144343004
631133011330
74545065553
oct1344446246
9445265220
10194137254
119a649213
1255023b46
13312b391c
141bad7a2a
151209c239
hexb924ca6

194137254 has 24 divisors (see below), whose sum is σ = 421019040. Its totient is φ = 64652688.

The previous prime is 194137253. The next prime is 194137259. The reversal of 194137254 is 452731491.

194137254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194137253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17907 + ... + 26625.

It is an arithmetic number, because the mean of its divisors is an integer number (17542460).

Almost surely, 2194137254 is an apocalyptic number.

194137254 is an abundant number, since it is smaller than the sum of its proper divisors (226881786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194137254 is a wasteful number, since it uses less digits than its factorization.

194137254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9964 (or 9961 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 194137254 is about 13933.3145374674. The cubic root of 194137254 is about 579.0325270101.

The spelling of 194137254 in words is "one hundred ninety-four million, one hundred thirty-seven thousand, two hundred fifty-four".

Divisors: 1 2 3 6 9 18 1237 2474 3711 7422 8719 11133 17438 22266 26157 52314 78471 156942 10785403 21570806 32356209 64712418 97068627 194137254