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85714690 = 2531276499
BaseRepresentation
bin1010001101111…
…10011100000010
312222021202110011
411012332130002
5133420332230
612301055134
72060364025
oct506763402
9188252404
1085714690
1144424796
12248574aa
13149b1569
14b5531bc
1577d1e2a
hex51be702

85714690 has 16 divisors (see below), whose sum is σ = 159264000. Its totient is φ = 33179760.

The previous prime is 85714667. The next prime is 85714693. The reversal of 85714690 is 9641758.

It is a super-2 number, since 2×857146902 = 14694016163592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85714693) 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 7 ways as a sum of consecutive naturals, for example, 137940 + ... + 138559.

It is an arithmetic number, because the mean of its divisors is an integer number (9954000).

Almost surely, 285714690 is an apocalyptic number.

85714690 is a deficient number, since it is larger than the sum of its proper divisors (73549310).

85714690 is a wasteful number, since it uses less digits than its factorization.

85714690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276537.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 85714690 is about 9258.2228316238. Note that the first 3 decimals coincide. The cubic root of 85714690 is about 440.9118315176.

The spelling of 85714690 in words is "eighty-five million, seven hundred fourteen thousand, six hundred ninety".

Divisors: 1 2 5 10 31 62 155 310 276499 552998 1382495 2764990 8571469 17142938 42857345 85714690