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196816254 = 23257127637
BaseRepresentation
bin10111011101100…
…10110101111110
3111201100022010220
423232302311332
5400341110004
631310242210
74606624215
oct1356626576
9451308126
10196816254
11a1108a68
1255ab6366
1331a1112b
141c1d407c
151242add9
hexbbb2d7e

196816254 has 16 divisors (see below), whose sum is σ = 395167248. Its totient is φ = 65349632.

The previous prime is 196816229. The next prime is 196816297. The reversal of 196816254 is 452618691.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62277 + ... + 65360.

It is an arithmetic number, because the mean of its divisors is an integer number (24697953).

Almost surely, 2196816254 is an apocalyptic number.

196816254 is an abundant number, since it is smaller than the sum of its proper divisors (198350994).

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

196816254 is a wasteful number, since it uses less digits than its factorization.

196816254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127899.

The product of its digits is 103680, while the sum is 42.

The square root of 196816254 is about 14029.1216403594. The cubic root of 196816254 is about 581.6838246768.

The spelling of 196816254 in words is "one hundred ninety-six million, eight hundred sixteen thousand, two hundred fifty-four".

Divisors: 1 2 3 6 257 514 771 1542 127637 255274 382911 765822 32802709 65605418 98408127 196816254