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195810368 = 2613235349
BaseRepresentation
bin10111010101111…
…01010001000000
3111122110012022212
423222331101000
5400111412433
631232521252
74565234465
oct1352752100
9448405285
10195810368
11a0591256
12556b0228
133174b330
141c01166c
15122ccd48
hexbabd440

195810368 has 28 divisors (see below), whose sum is σ = 418452300. Its totient is φ = 90373632.

The previous prime is 195810361. The next prime is 195810389. The reversal of 195810368 is 863018591.

It can be written as a sum of positive squares in 2 ways, for example, as 114233344 + 81577024 = 10688^2 + 9032^2 .

It is not an unprimeable number, because it can be changed into a prime (195810361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116843 + ... + 118506.

It is an arithmetic number, because the mean of its divisors is an integer number (14944725).

Almost surely, 2195810368 is an apocalyptic number.

It is an amenable number.

195810368 is an abundant number, since it is smaller than the sum of its proper divisors (222641932).

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

195810368 is a wasteful number, since it uses less digits than its factorization.

195810368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235374 (or 235364 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 195810368 is about 13993.2257896455. The cubic root of 195810368 is about 580.6911775919.

The spelling of 195810368 in words is "one hundred ninety-five million, eight hundred ten thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 235349 470698 941396 1882792 3059537 3765584 6119074 7531168 12238148 15062336 24476296 48952592 97905184 195810368