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194284284 = 22316190357
BaseRepresentation
bin10111001010010…
…00101011111100
3111112120122221020
423211020223330
5344214044114
631140104140
74546250325
oct1345105374
9445518836
10194284284
119a739727
1255095050
133133581c
141bb3544c
15120caaa9
hexb948afc

194284284 has 12 divisors (see below), whose sum is σ = 453330024. Its totient is φ = 64761424.

The previous prime is 194284271. The next prime is 194284309. The reversal of 194284284 is 482482491.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8095167 + ... + 8095190.

It is an arithmetic number, because the mean of its divisors is an integer number (37777502).

Almost surely, 2194284284 is an apocalyptic number.

It is an amenable number.

194284284 is an abundant number, since it is smaller than the sum of its proper divisors (259045740).

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

194284284 is a wasteful number, since it uses less digits than its factorization.

194284284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16190364 (or 16190362 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 194284284 is about 13938.5897421511. The cubic root of 194284284 is about 579.1786670345.

The spelling of 194284284 in words is "one hundred ninety-four million, two hundred eighty-four thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 16190357 32380714 48571071 64761428 97142142 194284284