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191424092 = 22672233203
BaseRepresentation
bin10110110100011…
…10011001011100
3111100012100111012
423122032121130
5343001032332
630554514352
74513035506
oct1332163134
9440170435
10191424092
1199065832
12541359b8
13308739c2
141b5ccd76
1511c133b2
hexb68e65c

191424092 has 24 divisors (see below), whose sum is σ = 341623296. Its totient is φ = 93831408.

The previous prime is 191424083. The next prime is 191424119. The reversal of 191424092 is 290424191.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58163 + ... + 61365.

It is an arithmetic number, because the mean of its divisors is an integer number (14234304).

Almost surely, 2191424092 is an apocalyptic number.

It is an amenable number.

191424092 is a deficient number, since it is larger than the sum of its proper divisors (150199204).

191424092 is a wasteful number, since it uses less digits than its factorization.

191424092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497 (or 3495 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 191424092 is about 13835.6095637308. The cubic root of 191424092 is about 576.3224427600.

Subtracting 191424092 from its reverse (290424191), we obtain a palindrome (99000099).

The spelling of 191424092 in words is "one hundred ninety-one million, four hundred twenty-four thousand, ninety-two".

Divisors: 1 2 4 67 134 223 268 446 892 3203 6406 12812 14941 29882 59764 214601 429202 714269 858404 1428538 2857076 47856023 95712046 191424092