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85226089 = 1361107473
BaseRepresentation
bin1010001010001…
…11001001101001
312221100221012211
411011013021221
5133304213324
612242405121
72053260364
oct505071151
9187327184
1085226089
1144120693
12246607a1
1314870050
14b4670db
157737294
hex5147269

85226089 has 8 divisors (see below), whose sum is σ = 93287432. Its totient is φ = 77379840.

The previous prime is 85226051. The next prime is 85226107. The reversal of 85226089 is 98062258.

It can be written as a sum of positive squares in 4 ways, for example, as 7645225 + 77580864 = 2765^2 + 8808^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85226089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85224089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52944 + ... + 54529.

It is an arithmetic number, because the mean of its divisors is an integer number (11660929).

Almost surely, 285226089 is an apocalyptic number.

It is an amenable number.

85226089 is a deficient number, since it is larger than the sum of its proper divisors (8061343).

85226089 is a wasteful number, since it uses less digits than its factorization.

85226089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107547.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 85226089 is about 9231.7977122552. The cubic root of 85226089 is about 440.0724553545.

The spelling of 85226089 in words is "eighty-five million, two hundred twenty-six thousand, eighty-nine".

Divisors: 1 13 61 793 107473 1397149 6555853 85226089