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131306200 = 23522922639
BaseRepresentation
bin1111101001110…
…01001011011000
3100011002001020121
413310321023120
5232103244300
621010203024
73153040624
oct764711330
9304061217
10131306200
1168134323
1237b83474
132128519c
1413620184
15b7da81a
hex7d392d8

131306200 has 48 divisors (see below), whose sum is σ = 315828000. Its totient is φ = 50709120.

The previous prime is 131306179. The next prime is 131306209. The reversal of 131306200 is 2603131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131306209) 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, 5520 + ... + 17119.

It is an arithmetic number, because the mean of its divisors is an integer number (6579750).

Almost surely, 2131306200 is an apocalyptic number.

131306200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131306200 is an abundant number, since it is smaller than the sum of its proper divisors (184521800).

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

131306200 is a wasteful number, since it uses less digits than its factorization.

131306200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22684 (or 22675 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131306200 is about 11458.8917439690. The cubic root of 131306200 is about 508.2707032636.

Adding to 131306200 its reverse (2603131), we get a palindrome (133909331).

The spelling of 131306200 in words is "one hundred thirty-one million, three hundred six thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 29 40 50 58 100 116 145 200 232 290 580 725 1160 1450 2900 5800 22639 45278 90556 113195 181112 226390 452780 565975 656531 905560 1131950 1313062 2263900 2626124 3282655 4527800 5252248 6565310 13130620 16413275 26261240 32826550 65653100 131306200