Search a number
-
+
197380764 = 22327783257
BaseRepresentation
bin10111100001111…
…00101010011100
3111202101222111200
423300330222130
5401012141024
631330315500
74614465060
oct1360745234
9452358450
10197380764
11a14640a9
1256128b90
1331b7b069
141c2ddaa0
15124dd2c9
hexbc3ca9c

197380764 has 36 divisors (see below), whose sum is σ = 570211824. Its totient is φ = 56394432.

The previous prime is 197380763. The next prime is 197380787. The reversal of 197380764 is 467083791.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197380763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391377 + ... + 391880.

Almost surely, 2197380764 is an apocalyptic number.

197380764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

197380764 is an abundant number, since it is smaller than the sum of its proper divisors (372831060).

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

197380764 is a wasteful number, since it uses less digits than its factorization.

197380764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783274 (or 783269 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 197380764 is about 14049.2264555740. The cubic root of 197380764 is about 582.2394239350.

The spelling of 197380764 in words is "one hundred ninety-seven million, three hundred eighty thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 783257 1566514 2349771 3133028 4699542 5482799 7049313 9399084 10965598 14098626 16448397 21931196 28197252 32896794 49345191 65793588 98690382 197380764