Search a number
-
+
85942585 = 5157109481
BaseRepresentation
bin1010001111101…
…10000100111001
312222201100001201
411013312010321
5134000130320
612310014201
72062333321
oct507660471
9188640051
1085942585
114456aa33
1224947361
1314a61201
14b5b2281
15782970a
hex51f6139

85942585 has 8 divisors (see below), whose sum is σ = 103788936. Its totient is φ = 68315520.

The previous prime is 85942561. The next prime is 85942603. The reversal of 85942585 is 58524958.

It can be written as a sum of positive squares in 4 ways, for example, as 28224 + 85914361 = 168^2 + 9269^2 .

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

It is not a de Polignac number, because 85942585 - 25 = 85942553 is a prime.

It is a super-2 number, since 2×859425852 = 14772255832964450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53956 + ... + 55525.

It is an arithmetic number, because the mean of its divisors is an integer number (12973617).

Almost surely, 285942585 is an apocalyptic number.

It is an amenable number.

85942585 is a deficient number, since it is larger than the sum of its proper divisors (17846351).

85942585 is a wasteful number, since it uses less digits than its factorization.

85942585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109643.

The product of its digits is 576000, while the sum is 46.

The square root of 85942585 is about 9270.5223693166. The cubic root of 85942585 is about 441.3022456574.

The spelling of 85942585 in words is "eighty-five million, nine hundred forty-two thousand, five hundred eighty-five".

Divisors: 1 5 157 785 109481 547405 17188517 85942585