Search a number
-
+
85123383 = 328374461
BaseRepresentation
bin1010001001011…
…10000100110111
312221011201022220
411010232010313
5133242422013
612240253423
72052352062
oct504560467
9187151286
1085123383
1144060504
1224611273
1314835387
14b43b8d9
157716b23
hex512e137

85123383 has 4 divisors (see below), whose sum is σ = 113497848. Its totient is φ = 56748920.

The previous prime is 85123373. The next prime is 85123397. The reversal of 85123383 is 38332158.

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

It is a cyclic number.

It is not a de Polignac number, because 85123383 - 25 = 85123351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85123373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14187228 + ... + 14187233.

It is an arithmetic number, because the mean of its divisors is an integer number (28374462).

Almost surely, 285123383 is an apocalyptic number.

85123383 is a deficient number, since it is larger than the sum of its proper divisors (28374465).

85123383 is a wasteful number, since it uses less digits than its factorization.

85123383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28374464.

The product of its digits is 17280, while the sum is 33.

The square root of 85123383 is about 9226.2334134792. The cubic root of 85123383 is about 439.8956071211.

The spelling of 85123383 in words is "eighty-five million, one hundred twenty-three thousand, three hundred eighty-three".

Divisors: 1 3 28374461 85123383