Search a number
-
+
85713999 = 375936883
BaseRepresentation
bin1010001101111…
…10010001001111
312222021201111120
411012332101033
5133420321444
612301052023
72060362020
oct506762117
9188251446
1085713999
1144424218
1224857013
13149b1157
14b552c47
1577d1b19
hex51be44f

85713999 has 16 divisors (see below), whose sum is σ = 130851072. Its totient is φ = 48889728.

The previous prime is 85713989. The next prime is 85714001. The reversal of 85713999 is 99931758.

It is a happy number.

It is not a de Polignac number, because 85713999 - 28 = 85713743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85713989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9012 + ... + 15894.

It is an arithmetic number, because the mean of its divisors is an integer number (8178192).

Almost surely, 285713999 is an apocalyptic number.

85713999 is a deficient number, since it is larger than the sum of its proper divisors (45137073).

85713999 is a wasteful number, since it uses less digits than its factorization.

85713999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486.

The product of its digits is 612360, while the sum is 51.

The square root of 85713999 is about 9258.1855133714. The cubic root of 85713999 is about 440.9106466919.

The spelling of 85713999 in words is "eighty-five million, seven hundred thirteen thousand, nine hundred ninety-nine".

Divisors: 1 3 7 21 593 1779 4151 6883 12453 20649 48181 144543 4081619 12244857 28571333 85713999