Search a number
-
+
131200314 = 23727111527
BaseRepresentation
bin1111101000111…
…11010100111010
3100010212122222220
413310133110322
5232041402224
621004024510
73152120130
oct764372472
9303778886
10131200314
1168071813
1237b32136
1321248c2b
14135d3750
15b7b9279
hex7d1f53a

131200314 has 32 divisors (see below), whose sum is σ = 301019136. Its totient is φ = 37344240.

The previous prime is 131200291. The next prime is 131200319. The reversal of 131200314 is 413002131.

It is a junction number, because it is equal to n+sod(n) for n = 131200293 and 131200302.

It is not an unprimeable number, because it can be changed into a prime (131200319) 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 15 ways as a sum of consecutive naturals, for example, 5619 + ... + 17145.

It is an arithmetic number, because the mean of its divisors is an integer number (9406848).

Almost surely, 2131200314 is an apocalyptic number.

131200314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131200314 is an abundant number, since it is smaller than the sum of its proper divisors (169818822).

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

131200314 is a wasteful number, since it uses less digits than its factorization.

131200314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11810.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 131200314 is about 11454.2705573074. The cubic root of 131200314 is about 508.1340424795.

Adding to 131200314 its reverse (413002131), we get a palindrome (544202445).

The spelling of 131200314 in words is "one hundred thirty-one million, two hundred thousand, three hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 271 542 813 1626 1897 3794 5691 11382 11527 23054 34581 69162 80689 161378 242067 484134 3123817 6247634 9371451 18742902 21866719 43733438 65600157 131200314