Search a number
-
+
86690001 = 337780991
BaseRepresentation
bin1010010101011…
…00100011010001
320001010022022210
411022230203101
5134143040001
612334022333
72101565346
oct512544321
9201108283
1086690001
1144a30532
12250479a9
1314c63478
14b7287cd
157925dd6
hex52ac8d1

86690001 has 8 divisors (see below), whose sum is σ = 118710784. Its totient is φ = 56231280.

The previous prime is 86689997. The next prime is 86690029. The reversal of 86690001 is 10009668.

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

It is not a de Polignac number, because 86690001 - 22 = 86689997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86690041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390385 + ... + 390606.

It is an arithmetic number, because the mean of its divisors is an integer number (14838848).

Almost surely, 286690001 is an apocalyptic number.

It is an amenable number.

86690001 is a deficient number, since it is larger than the sum of its proper divisors (32020783).

86690001 is a wasteful number, since it uses less digits than its factorization.

86690001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781031.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 86690001 is about 9310.7465329049. The cubic root of 86690001 is about 442.5778445192.

Adding to 86690001 its reverse (10009668), we get a palindrome (96699669).

The spelling of 86690001 in words is "eighty-six million, six hundred ninety thousand, one".

Divisors: 1 3 37 111 780991 2342973 28896667 86690001