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85074277 = 472238117
BaseRepresentation
bin1010001001000…
…10000101100101
312221002012222011
411010202011211
5133234334102
612235234221
72052055651
oct504420545
9187065864
1085074277
1144027622
12245a8971
1314818c12
14b427a61
1577072d7
hex5122165

85074277 has 8 divisors (see below), whose sum is σ = 87284736. Its totient is φ = 82880592.

The previous prime is 85074271. The next prime is 85074287. The reversal of 85074277 is 77247058.

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

It is a cyclic number.

It is not a de Polignac number, because 85074277 - 223 = 76685669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85074271) 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, 6423 + ... + 14539.

It is an arithmetic number, because the mean of its divisors is an integer number (10910592).

Almost surely, 285074277 is an apocalyptic number.

It is an amenable number.

85074277 is a deficient number, since it is larger than the sum of its proper divisors (2210459).

85074277 is a wasteful number, since it uses less digits than its factorization.

85074277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8387.

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 85074277 is about 9223.5718135655. The cubic root of 85074277 is about 439.8110018181.

The spelling of 85074277 in words is "eighty-five million, seventy-four thousand, two hundred seventy-seven".

Divisors: 1 47 223 8117 10481 381499 1810091 85074277