Search a number
-
+
197516140 = 22519750131
BaseRepresentation
bin10111100010111…
…01101101101100
3111202122212012121
423301131231230
5401031004030
631333242324
74615600543
oct1361355554
9452585177
10197516140
11a1546888
12561933a4
1331bc7873
141c33715a
151251847a
hexbc5db6c

197516140 has 24 divisors (see below), whose sum is σ = 416897712. Its totient is φ = 78603840.

The previous prime is 197516119. The next prime is 197516141. The reversal of 197516140 is 41615791.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 197516096 and 197516105.

It is not an unprimeable number, because it can be changed into a prime (197516141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21126 + ... + 29005.

It is an arithmetic number, because the mean of its divisors is an integer number (17370738).

Almost surely, 2197516140 is an apocalyptic number.

197516140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197516140 is an abundant number, since it is smaller than the sum of its proper divisors (219381572).

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

197516140 is a wasteful number, since it uses less digits than its factorization.

197516140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50337 (or 50335 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 197516140 is about 14054.0435462539. The cubic root of 197516140 is about 582.3725055136.

The spelling of 197516140 in words is "one hundred ninety-seven million, five hundred sixteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 197 394 788 985 1970 3940 50131 100262 200524 250655 501310 1002620 9875807 19751614 39503228 49379035 98758070 197516140