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85766101 = 451918979
BaseRepresentation
bin1010001110010…
…10111111010101
312222101100222021
411013022333111
5133424003401
612302133141
72060666641
oct507127725
9188340867
1085766101
114445a383
12248811b1
13149cba95
14b567c21
1577e22a1
hex51cafd5

85766101 has 4 divisors (see below), whose sum is σ = 85789600. Its totient is φ = 85742604.

The previous prime is 85766053. The next prime is 85766147. The reversal of 85766101 is 10166758.

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 85766101 - 211 = 85764053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85764101) 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, 4971 + ... + 14008.

It is an arithmetic number, because the mean of its divisors is an integer number (21447400).

Almost surely, 285766101 is an apocalyptic number.

It is an amenable number.

85766101 is a deficient number, since it is larger than the sum of its proper divisors (23499).

85766101 is a wasteful number, since it uses less digits than its factorization.

85766101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23498.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 85766101 is about 9260.9989202029. The cubic root of 85766101 is about 440.9999657207. Note that the first 4 decimals are identical.

The spelling of 85766101 in words is "eighty-five million, seven hundred sixty-six thousand, one hundred one".

Divisors: 1 4519 18979 85766101