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85025650 = 2521700513
BaseRepresentation
bin1010001000101…
…10001101110010
312220222202021011
411010112031302
5133231310100
612234221134
72051464123
oct504261562
9186882234
1085025650
1143aa4036
12245847aa
13147cca48
14b41404a
1576e7bba
hex5116372

85025650 has 12 divisors (see below), whose sum is σ = 158147802. Its totient is φ = 34010240.

The previous prime is 85025599. The next prime is 85025657. The reversal of 85025650 is 5652058.

It can be written as a sum of positive squares in 3 ways, for example, as 82246761 + 2778889 = 9069^2 + 1667^2 .

It is a super-2 number, since 2×850256502 = 14458722315845000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85025657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 850207 + ... + 850306.

Almost surely, 285025650 is an apocalyptic number.

85025650 is a deficient number, since it is larger than the sum of its proper divisors (73122152).

85025650 is a wasteful number, since it uses less digits than its factorization.

85025650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700525 (or 1700520 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 85025650 is about 9220.9354189258. The cubic root of 85025650 is about 439.7271897016.

The spelling of 85025650 in words is "eighty-five million, twenty-five thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 1700513 3401026 8502565 17005130 42512825 85025650