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197442498 = 231129432399
BaseRepresentation
bin10111100010010…
…11101111000010
3111202112010012010
423301023233002
5401021124443
631331513350
74615143051
oct1361135702
9452463163
10197442498
11a14a6520
1256158856
1331ba01a6
141c318398
1512501733
hexbc4bbc2

197442498 has 64 divisors (see below), whose sum is σ = 456192000. Its totient is φ = 56400960.

The previous prime is 197442467. The next prime is 197442517. The reversal of 197442498 is 894244791.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81103 + ... + 83501.

It is an arithmetic number, because the mean of its divisors is an integer number (7128000).

Almost surely, 2197442498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197442498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228096000).

197442498 is an abundant number, since it is smaller than the sum of its proper divisors (258749502).

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

197442498 is a wasteful number, since it uses less digits than its factorization.

197442498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487.

The product of its digits is 580608, while the sum is 48.

The square root of 197442498 is about 14051.4233442737. The cubic root of 197442498 is about 582.3001191807.

The spelling of 197442498 in words is "one hundred ninety-seven million, four hundred forty-two thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 11 22 29 33 43 58 66 86 87 129 174 258 319 473 638 946 957 1247 1419 1914 2399 2494 2838 3741 4798 7197 7482 13717 14394 26389 27434 41151 52778 69571 79167 82302 103157 139142 158334 206314 208713 309471 417426 618942 765281 1134727 1530562 2269454 2295843 2991553 3404181 4591686 5983106 6808362 8974659 17949318 32907083 65814166 98721249 197442498