Search a number
-
+
195364280 = 23520812347
BaseRepresentation
bin10111010010100…
…00010110111000
3111121121112102002
423221100112320
5400003124110
631215200132
74561366106
oct1351202670
9447545362
10195364280
11a0307091
1255516048
1331623287
141bd36c76
1512240aa5
hexba505b8

195364280 has 32 divisors (see below), whose sum is σ = 439968240. Its totient is φ = 78074880.

The previous prime is 195364261. The next prime is 195364283. The reversal of 195364280 is 82463591.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195364283) 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 7 ways as a sum of consecutive naturals, for example, 82067 + ... + 84413.

Almost surely, 2195364280 is an apocalyptic number.

195364280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195364280 is an abundant number, since it is smaller than the sum of its proper divisors (244603960).

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

195364280 is a wasteful number, since it uses less digits than its factorization.

195364280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 195364280 is about 13977.2772742047. The cubic root of 195364280 is about 580.2498725181.

The spelling of 195364280 in words is "one hundred ninety-five million, three hundred sixty-four thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 2081 2347 4162 4694 8324 9388 10405 11735 16648 18776 20810 23470 41620 46940 83240 93880 4884107 9768214 19536428 24420535 39072856 48841070 97682140 195364280