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195313630 = 2524181043
BaseRepresentation
bin10111010010000…
…11111111011110
3111121111221221011
423221003333132
5400000014010
631214125434
74561065331
oct1351037736
9447457834
10195313630
11a0282026
12554b087a
13316061c5
141bd22618
1512230a8a
hexba43fde

195313630 has 16 divisors (see below), whose sum is σ = 353027664. Its totient is φ = 77800320.

The previous prime is 195313603. The next prime is 195313649. The reversal of 195313630 is 36313591.

It is a junction number, because it is equal to n+sod(n) for n = 195313592 and 195313601.

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, 38112 + ... + 42931.

It is an arithmetic number, because the mean of its divisors is an integer number (22064229).

Almost surely, 2195313630 is an apocalyptic number.

195313630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195313630 is a deficient number, since it is larger than the sum of its proper divisors (157714034).

195313630 is a wasteful number, since it uses less digits than its factorization.

195313630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81291.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 195313630 is about 13975.4652874242. The cubic root of 195313630 is about 580.1997231318.

The spelling of 195313630 in words is "one hundred ninety-five million, three hundred thirteen thousand, six hundred thirty".

Divisors: 1 2 5 10 241 482 1205 2410 81043 162086 405215 810430 19531363 39062726 97656815 195313630