Search a number
-
+
86481119 = 763911321
BaseRepresentation
bin1010010011110…
…01100011011111
320000201200210102
411021321203133
5134114343434
612325331315
72100035354
oct511714337
9200650712
1086481119
11448a85aa
1224b66b3b
1314bbc37a
14b6b262b
1578d407e
hex52798df

86481119 has 4 divisors (see below), whose sum is σ = 86500080. Its totient is φ = 86462160.

The previous prime is 86481097. The next prime is 86481133. The reversal of 86481119 is 91118468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86481119 is a prime.

It is a super-2 number, since 2×864811192 = 14957967886984322, 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 (86481019) 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, 1979 + ... + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (21625020).

Almost surely, 286481119 is an apocalyptic number.

86481119 is a deficient number, since it is larger than the sum of its proper divisors (18961).

86481119 is a wasteful number, since it uses less digits than its factorization.

86481119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18960.

The product of its digits is 13824, while the sum is 38.

The square root of 86481119 is about 9299.5225146241. The cubic root of 86481119 is about 442.2220907043. Note that the first 3 decimals are identical.

The spelling of 86481119 in words is "eighty-six million, four hundred eighty-one thousand, one hundred nineteen".

Divisors: 1 7639 11321 86481119