Search a number
-
+
86767438 = 279549161
BaseRepresentation
bin1010010101111…
…11011101001110
320001021020112211
411022333131032
5134203024223
612335421034
72102340202
oct512773516
9201236484
1086767438
1144a8372a
122508477a
1314c8c7a4
14b748b02
15793dd0d
hex52bf74e

86767438 has 8 divisors (see below), whose sum is σ = 131798880. Its totient is φ = 42834480.

The previous prime is 86767423. The next prime is 86767441. The reversal of 86767438 is 83476768.

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

It is a junction number, because it is equal to n+sod(n) for n = 86767391 and 86767400.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 274423 + ... + 274738.

It is an arithmetic number, because the mean of its divisors is an integer number (16474860).

Almost surely, 286767438 is an apocalyptic number.

86767438 is a deficient number, since it is larger than the sum of its proper divisors (45031442).

86767438 is a wasteful number, since it uses less digits than its factorization.

86767438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549242.

The product of its digits is 1354752, while the sum is 49.

The square root of 86767438 is about 9314.9040789479. The cubic root of 86767438 is about 442.7095848222.

The spelling of 86767438 in words is "eighty-six million, seven hundred sixty-seven thousand, four hundred thirty-eight".

Divisors: 1 2 79 158 549161 1098322 43383719 86767438