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85490010 = 2325949889
BaseRepresentation
bin1010001100001…
…11100101011010
312221212100020200
411012013211122
5133341140020
612252203030
72055440004
oct506074532
9187770220
1085490010
1144290a01
1224769476
1314933208
14b4d5374
15778a590
hex518795a

85490010 has 24 divisors (see below), whose sum is σ = 222274260. Its totient is φ = 22797312.

The previous prime is 85489981. The next prime is 85490021. The reversal of 85490010 is 1009458.

It can be written as a sum of positive squares in 2 ways, for example, as 79334649 + 6155361 = 8907^2 + 2481^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 474855 + ... + 475034.

Almost surely, 285490010 is an apocalyptic number.

85490010 is an abundant number, since it is smaller than the sum of its proper divisors (136784250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85490010 is a wasteful number, since it uses less digits than its factorization.

85490010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949902 (or 949899 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 85490010 is about 9246.0807913407. The cubic root of 85490010 is about 440.5262470709.

Adding to 85490010 its reverse (1009458), we get a palindrome (86499468).

The spelling of 85490010 in words is "eighty-five million, four hundred ninety thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 949889 1899778 2849667 4749445 5699334 8549001 9498890 14248335 17098002 28496670 42745005 85490010