Search a number
-
+
86138145 = 3251999619
BaseRepresentation
bin1010010001001…
…01110100100001
320000002021022200
411020211310201
5134022410040
612314123413
72064106422
oct510456441
9200067280
1086138145
1144693955
1224a20569
1314acc222
14b623649
157867630
hex5225d21

86138145 has 24 divisors (see below), whose sum is σ = 150072000. Its totient is φ = 45704736.

The previous prime is 86138137. The next prime is 86138233. The reversal of 86138145 is 54183168.

It is not a de Polignac number, because 86138145 - 23 = 86138137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4146 + ... + 13764.

It is an arithmetic number, because the mean of its divisors is an integer number (6253000).

Almost surely, 286138145 is an apocalyptic number.

It is an amenable number.

86138145 is a deficient number, since it is larger than the sum of its proper divisors (63933855).

86138145 is a wasteful number, since it uses less digits than its factorization.

86138145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9829 (or 9826 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 86138145 is about 9281.0637860107. The cubic root of 86138145 is about 441.6367158203.

The spelling of 86138145 in words is "eighty-six million, one hundred thirty-eight thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 45 199 597 995 1791 2985 8955 9619 28857 48095 86571 144285 432855 1914181 5742543 9570905 17227629 28712715 86138145