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85727954 = 2132253633
BaseRepresentation
bin1010001110000…
…01101011010010
312222022102122102
411013001223102
5133421243304
612301240402
72060450504
oct507015322
9188272572
1085727954
1144433754
1224863102
13149b7600
14b557d74
1577d5d1e
hex51c1ad2

85727954 has 12 divisors (see below), whose sum is σ = 139245066. Its totient is φ = 39566592.

The previous prime is 85727951. The next prime is 85727959. The reversal of 85727954 is 45972758.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 35700625 + 50027329 = 5975^2 + 7073^2 .

It is a super-2 number, since 2×857279542 = 14698564194052232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85727899 and 85727908.

It is not an unprimeable number, because it can be changed into a prime (85727951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126479 + ... + 127154.

Almost surely, 285727954 is an apocalyptic number.

85727954 is a deficient number, since it is larger than the sum of its proper divisors (53517112).

85727954 is a wasteful number, since it uses less digits than its factorization.

85727954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253661 (or 253648 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The square root of 85727954 is about 9258.9391400959. The cubic root of 85727954 is about 440.9345734493.

The spelling of 85727954 in words is "eighty-five million, seven hundred twenty-seven thousand, nine hundred fifty-four".

Divisors: 1 2 13 26 169 338 253633 507266 3297229 6594458 42863977 85727954