Search a number
-
+
86851101 = 328950367
BaseRepresentation
bin1010010110100…
…11111000011101
320001102111022110
411023103320131
5134213213401
612341304233
72103136131
oct513237035
9201374273
1086851101
1145030577
1225105079
1314cbb8ac
14b76b3c1
1579589d6
hex52d3e1d

86851101 has 4 divisors (see below), whose sum is σ = 115801472. Its totient is φ = 57900732.

The previous prime is 86851097. The next prime is 86851103. The reversal of 86851101 is 10115868.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 86851101 - 22 = 86851097 is a prime.

It is a super-2 number, since 2×868511012 = 15086227489824402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86851103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14475181 + ... + 14475186.

It is an arithmetic number, because the mean of its divisors is an integer number (28950368).

Almost surely, 286851101 is an apocalyptic number.

It is an amenable number.

86851101 is a deficient number, since it is larger than the sum of its proper divisors (28950371).

86851101 is a wasteful number, since it uses less digits than its factorization.

86851101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28950370.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 86851101 is about 9319.3938107583. The cubic root of 86851101 is about 442.8518290973.

Adding to 86851101 its reverse (10115868), we get a palindrome (96966969).

The spelling of 86851101 in words is "eighty-six million, eight hundred fifty-one thousand, one hundred one".

Divisors: 1 3 28950367 86851101