Search a number
-
+
86616237 = 371406649
BaseRepresentation
bin1010010100110…
…10100010101101
320000222120010210
411022122202231
5134133204422
612332253033
72101140321
oct512324255
9200876123
1086616237
1144990074
1225011179
1314c38a16
14b709981
15790e10c
hex529a8ad

86616237 has 8 divisors (see below), whose sum is σ = 117115200. Its totient is φ = 56930720.

The previous prime is 86616221. The next prime is 86616239. The reversal of 86616237 is 73261668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86616237 - 24 = 86616221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86616195 and 86616204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86616239) 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 7 ways as a sum of consecutive naturals, for example, 203112 + ... + 203537.

It is an arithmetic number, because the mean of its divisors is an integer number (14639400).

Almost surely, 286616237 is an apocalyptic number.

It is an amenable number.

86616237 is a deficient number, since it is larger than the sum of its proper divisors (30498963).

86616237 is a wasteful number, since it uses less digits than its factorization.

86616237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406723.

The product of its digits is 72576, while the sum is 39.

The square root of 86616237 is about 9306.7844608114. The cubic root of 86616237 is about 442.4522799572.

The spelling of 86616237 in words is "eighty-six million, six hundred sixteen thousand, two hundred thirty-seven".

Divisors: 1 3 71 213 406649 1219947 28872079 86616237