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85024837 = 175001461
BaseRepresentation
bin1010001000101…
…10000001000101
312220222201011001
411010112001011
5133231243322
612234213301
72051461552
oct504260105
9186881131
1085024837
1143aa3467
1224584231
13147cc571
14b413a29
1576e7827
hex5116045

85024837 has 4 divisors (see below), whose sum is σ = 90026316. Its totient is φ = 80023360.

The previous prime is 85024817. The next prime is 85024861. The reversal of 85024837 is 73842058.

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

It can be written as a sum of positive squares in 2 ways, for example, as 76580001 + 8444836 = 8751^2 + 2906^2 .

It is a cyclic number.

It is not a de Polignac number, because 85024837 - 223 = 76636229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85024796 and 85024805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85024817) 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, 2500714 + ... + 2500747.

It is an arithmetic number, because the mean of its divisors is an integer number (22506579).

Almost surely, 285024837 is an apocalyptic number.

It is an amenable number.

85024837 is a deficient number, since it is larger than the sum of its proper divisors (5001479).

85024837 is a wasteful number, since it uses less digits than its factorization.

85024837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001478.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 85024837 is about 9220.8913343559. The cubic root of 85024837 is about 439.7257881663.

The spelling of 85024837 in words is "eighty-five million, twenty-four thousand, eight hundred thirty-seven".

Divisors: 1 17 5001461 85024837