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85496849 = 412085289
BaseRepresentation
bin1010001100010…
…01010000010001
312221212200121222
411012021100101
5133341344344
612252254425
72055465644
oct506112021
9187780558
1085496849
1144296059
1224771415
1314936369
14b4d7a5b
15778c5ee
hex5189411

85496849 has 4 divisors (see below), whose sum is σ = 87582180. Its totient is φ = 83411520.

The previous prime is 85496837. The next prime is 85496861. The reversal of 85496849 is 94869458.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (85496837) and next prime (85496861).

It can be written as a sum of positive squares in 2 ways, for example, as 15054400 + 70442449 = 3880^2 + 8393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85496849 is a prime.

It is a super-2 number, since 2×854968492 = 14619422377857602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85496849.

It is not an unprimeable number, because it can be changed into a prime (85496869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042604 + ... + 1042685.

It is an arithmetic number, because the mean of its divisors is an integer number (21895545).

Almost surely, 285496849 is an apocalyptic number.

It is an amenable number.

85496849 is a deficient number, since it is larger than the sum of its proper divisors (2085331).

85496849 is a wasteful number, since it uses less digits than its factorization.

85496849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085330.

The product of its digits is 2488320, while the sum is 53.

The square root of 85496849 is about 9246.4506163176. The cubic root of 85496849 is about 440.5379937793.

The spelling of 85496849 in words is "eighty-five million, four hundred ninety-six thousand, eight hundred forty-nine".

Divisors: 1 41 2085289 85496849