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193742304 = 2537288307
BaseRepresentation
bin10111000110001…
…00010111100000
3111111120010110220
423203010113200
5344044223204
631120323040
74541532240
oct1343042740
9444503426
10193742304
119a3a9508
1254a73480
13311a5c22
141ba33b20
15120201d9
hexb8c45e0

193742304 has 48 divisors (see below), whose sum is σ = 581228928. Its totient is φ = 55354752.

The previous prime is 193742303. The next prime is 193742321. The reversal of 193742304 is 403247391.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193742303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143482 + ... + 144825.

It is an arithmetic number, because the mean of its divisors is an integer number (12108936).

Almost surely, 2193742304 is an apocalyptic number.

193742304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

193742304 is an abundant number, since it is smaller than the sum of its proper divisors (387486624).

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

193742304 is a wasteful number, since it uses less digits than its factorization.

193742304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288327 (or 288319 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 193742304 is about 13919.1344558489. The cubic root of 193742304 is about 578.6396019914.

Adding to 193742304 its reverse (403247391), we get a palindrome (596989695).

The spelling of 193742304 in words is "one hundred ninety-three million, seven hundred forty-two thousand, three hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 288307 576614 864921 1153228 1729842 2018149 2306456 3459684 4036298 4612912 6054447 6919368 8072596 9225824 12108894 13838736 16145192 24217788 27677472 32290384 48435576 64580768 96871152 193742304