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194427294 = 23179181031
BaseRepresentation
bin10111001011010…
…11100110011110
3111112211221002220
423211223212132
5344233133134
631143130210
74550414265
oct1345534636
9445757086
10194427294
119a827116
1255143966
1331385949
141bb715dc
1512108149
hexb96b99e

194427294 has 16 divisors (see below), whose sum is σ = 391029120. Its totient is φ = 64446680.

The previous prime is 194427293. The next prime is 194427307. The reversal of 194427294 is 492724491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194427293) 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, 89442 + ... + 91589.

It is an arithmetic number, because the mean of its divisors is an integer number (24439320).

Almost surely, 2194427294 is an apocalyptic number.

194427294 is an abundant number, since it is smaller than the sum of its proper divisors (196601826).

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

194427294 is a wasteful number, since it uses less digits than its factorization.

194427294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181215.

The product of its digits is 145152, while the sum is 42.

The square root of 194427294 is about 13943.7188009512. The cubic root of 194427294 is about 579.3207406750.

The spelling of 194427294 in words is "one hundred ninety-four million, four hundred twenty-seven thousand, two hundred ninety-four".

Divisors: 1 2 3 6 179 358 537 1074 181031 362062 543093 1086186 32404549 64809098 97213647 194427294