Search a number
-
+
85390367 = 531611139
BaseRepresentation
bin1010001011011…
…11010000011111
312221200021120012
411011233100133
5133324442432
612250113435
72054543336
oct505572037
9187607505
1085390367
1144223057
122471b87b
13148c9a5a
14b4aad1d
15776acb2
hex516f41f

85390367 has 4 divisors (see below), whose sum is σ = 87001560. Its totient is φ = 83779176.

The previous prime is 85390343. The next prime is 85390369. The reversal of 85390367 is 76309358.

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 85390367 - 28 = 85390111 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 (85390369) 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, 805517 + ... + 805622.

It is an arithmetic number, because the mean of its divisors is an integer number (21750390).

Almost surely, 285390367 is an apocalyptic number.

85390367 is a deficient number, since it is larger than the sum of its proper divisors (1611193).

85390367 is a wasteful number, since it uses less digits than its factorization.

85390367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611192.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 85390367 is about 9240.6908291534. The cubic root of 85390367 is about 440.3550285391.

The spelling of 85390367 in words is "eighty-five million, three hundred ninety thousand, three hundred sixty-seven".

Divisors: 1 53 1611139 85390367