Search a number
-
+
86130325 = 52191791013
BaseRepresentation
bin1010010001000…
…11111010010101
320000001212121001
411020203322111
5134022132300
612314023301
72064044551
oct510437225
9200055531
1086130325
1144688a96
1224a17b31
1314ac87b8
14b620861
15786516a
hex5223e95

86130325 has 24 divisors (see below), whose sum is σ = 113162400. Its totient is φ = 64848960.

The previous prime is 86130301. The next prime is 86130329. The reversal of 86130325 is 52303168.

It is not a de Polignac number, because 86130325 - 25 = 86130293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86130293 and 86130302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86130329) 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 23 ways as a sum of consecutive naturals, for example, 84519 + ... + 85531.

It is an arithmetic number, because the mean of its divisors is an integer number (4715100).

Almost surely, 286130325 is an apocalyptic number.

It is an amenable number.

86130325 is a deficient number, since it is larger than the sum of its proper divisors (27032075).

86130325 is a wasteful number, since it uses less digits than its factorization.

86130325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 86130325 is about 9280.6424885349. The cubic root of 86130325 is about 441.6233508408.

It can be divided in two parts, 861303 and 25, that added together give a triangular number (861328 = T1312).

The spelling of 86130325 in words is "eighty-six million, one hundred thirty thousand, three hundred twenty-five".

Divisors: 1 5 19 25 95 179 475 895 1013 3401 4475 5065 17005 19247 25325 85025 96235 181327 481175 906635 3445213 4533175 17226065 86130325