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85086443 = 136545111
BaseRepresentation
bin1010001001001…
…01000011101011
312221002211122202
411010211003223
5133240231233
612235410415
72052136301
oct504450353
9187084582
1085086443
1144035782
12245b3a0b
1314821610
14b42c271
15770abe8
hex51250eb

85086443 has 4 divisors (see below), whose sum is σ = 91631568. Its totient is φ = 78541320.

The previous prime is 85086431. The next prime is 85086451. The reversal of 85086443 is 34468058.

It is a happy number.

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

It is not a de Polignac number, because 85086443 - 216 = 85020907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85086397 and 85086406.

It is not an unprimeable number, because it can be changed into a prime (85086943) 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, 3272543 + ... + 3272568.

It is an arithmetic number, because the mean of its divisors is an integer number (22907892).

Almost surely, 285086443 is an apocalyptic number.

85086443 is a deficient number, since it is larger than the sum of its proper divisors (6545125).

85086443 is a wasteful number, since it uses less digits than its factorization.

85086443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545124.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 85086443 is about 9224.2312958859. The cubic root of 85086443 is about 439.8319657953.

The spelling of 85086443 in words is "eighty-five million, eighty-six thousand, four hundred forty-three".

Divisors: 1 13 6545111 85086443