Search a number
-
+
86069669 = 712295667
BaseRepresentation
bin1010010000101…
…01000110100101
312222221210101112
411020111012211
5134013212134
612312434405
72063402660
oct510250645
9188853345
1086069669
1144647464
12249a8a05
1314aa6cca
14b6066d7
1578521ce
hex52151a5

86069669 has 4 divisors (see below), whose sum is σ = 98365344. Its totient is φ = 73773996.

The previous prime is 86069653. The next prime is 86069693. The reversal of 86069669 is 96696068.

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 a cyclic number.

It is not a de Polignac number, because 86069669 - 24 = 86069653 is a prime.

It is a super-2 number, since 2×860696692 = 14815975843539122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86069699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6147827 + ... + 6147840.

It is an arithmetic number, because the mean of its divisors is an integer number (24591336).

Almost surely, 286069669 is an apocalyptic number.

It is an amenable number.

86069669 is a deficient number, since it is larger than the sum of its proper divisors (12295675).

86069669 is a wasteful number, since it uses less digits than its factorization.

86069669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12295674.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 86069669 is about 9277.3740357927. The cubic root of 86069669 is about 441.5196576040.

The spelling of 86069669 in words is "eighty-six million, sixty-nine thousand, six hundred sixty-nine".

Divisors: 1 7 12295667 86069669