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85860025 = 524497649
BaseRepresentation
bin1010001111000…
…01111010111001
312222120010210221
411013201322321
5133440010100
612304140041
72061540526
oct507417271
9188503727
1085860025
11445139a9
1224907621
1314a32764
14b59014d
15781001a
hex51e1eb9

85860025 has 12 divisors (see below), whose sum is σ = 106717500. Its totient is φ = 68526080.

The previous prime is 85859971. The next prime is 85860037. The reversal of 85860025 is 52006858.

It can be written as a sum of positive squares in 6 ways, for example, as 11417641 + 74442384 = 3379^2 + 8628^2 .

It is not a de Polignac number, because 85860025 - 213 = 85851833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7401 + ... + 15049.

It is an arithmetic number, because the mean of its divisors is an integer number (8893125).

Almost surely, 285860025 is an apocalyptic number.

It is an amenable number.

85860025 is a deficient number, since it is larger than the sum of its proper divisors (20857475).

85860025 is a wasteful number, since it uses less digits than its factorization.

85860025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8108 (or 8103 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 85860025 is about 9266.0684758963. The cubic root of 85860025 is about 441.1608893234.

The spelling of 85860025 in words is "eighty-five million, eight hundred sixty thousand, twenty-five".

Divisors: 1 5 25 449 2245 7649 11225 38245 191225 3434401 17172005 85860025