Search a number
-
+
86423320 = 23513116493
BaseRepresentation
bin1010010011010…
…11011100011000
320000121202111201
411021223130120
5134111021240
612324203544
72066405014
oct511533430
9200552451
1086423320
1144869135
1224b395b4
1314b9bc79
14b699544
1578c1d9a
hex526b718

86423320 has 32 divisors (see below), whose sum is σ = 195948720. Its totient is φ = 34303360.

The previous prime is 86423317. The next prime is 86423321. The reversal of 86423320 is 2332468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86423321) 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, 3007 + ... + 13486.

Almost surely, 286423320 is an apocalyptic number.

It is an amenable number.

86423320 is an abundant number, since it is smaller than the sum of its proper divisors (109525400).

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

86423320 is a wasteful number, since it uses less digits than its factorization.

86423320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16635 (or 16631 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 86423320 is about 9296.4143625378. The cubic root of 86423320 is about 442.1235501546.

Adding to 86423320 its reverse (2332468), we get a palindrome (88755788).

The spelling of 86423320 in words is "eighty-six million, four hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 131 262 524 655 1048 1310 2620 5240 16493 32986 65972 82465 131944 164930 329860 659720 2160583 4321166 8642332 10802915 17284664 21605830 43211660 86423320